Fix test failures of awamicmp1 and awamicmp2.

Debian bug report:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=855814

Patch adapted from upstream source repository:

https://github.com/silnrsi/graphite/commit/f7bbdd87d510d587c872e314d6458160c0069c65

From f7bbdd87d510d587c872e314d6458160c0069c65 Mon Sep 17 00:00:00 2001
From: Martin Hosken <martin_hosken@sil.org>
Date: Tue, 14 Feb 2017 17:00:03 +0000
Subject: [PATCH] try -ffloat-store for fp stability. Remove nested const to
 work around VS bug

---
 src/CMakeLists.txt    | 2 +-
 src/inc/locale2lcid.h | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 4f1e7e5..5b61b5c 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -108,7 +108,7 @@ set_target_properties(graphite2 PROPERTIES  PUBLIC_HEADER "${GRAPHITE_HEADERS}"
 
 if  (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
     set_target_properties(graphite2 PROPERTIES 
-        COMPILE_FLAGS   "-Wall -Wextra -Wno-unknown-pragmas -Wendif-labels -Wshadow -Wctor-dtor-privacy -Wnon-virtual-dtor -fno-rtti -fno-exceptions -fvisibility=hidden -fvisibility-inlines-hidden -fno-stack-protector"
+        COMPILE_FLAGS   "-Wall -Wextra -Wno-unknown-pragmas -Wendif-labels -Wshadow -Wctor-dtor-privacy -Wnon-virtual-dtor -fno-rtti -fno-exceptions -fvisibility=hidden -fvisibility-inlines-hidden -fno-stack-protector -ffloat-store"
         LINK_FLAGS      "-nodefaultlibs ${GRAPHITE_LINK_FLAGS}" 
         LINKER_LANGUAGE C)
     if (CMAKE_COMPILER_IS_GNUCXX)
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<tr><td><span title='2019-04-15 06:16:16 +0200'>2019-04-15</span></td><td><a href='/guix/commit/gnu/packages/conky.scm?id=8f61299140c08b7de7e69e030ef65b290e270584'>gnu: conky: Update to 1.11.3.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-04-15 06:13:39 +0200'>2019-04-15</span></td><td><a href='/guix/commit/gnu/packages/conky.scm?id=736dfe3568d620d66c7a17e4b93d4b5fc7b64c1d'>gnu: conky: Use GIT-FILE-NAME.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-02-14 17:00:58 +0100'>2019-02-14</span></td><td><a href='/guix/commit/gnu/packages/conky.scm?id=03d373202347617056ef103d356575d068123db8'>gnu: conkey: Update to 1.11.2.</a><span class='msg-avail'>...</span></td><td>Pierre Neidhardt</td></tr>
<tr><td><span title='2018-03-03 13:27:17 +0100'>2018-03-03</span></td><td><a href='/guix/commit/gnu/packages/conky.scm?id=e6d30cf7552502b59c2996b5b1d530c38b88c4f7'>gnu: conky: Remove redundant MKDIR-P.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-02-08 14:24:23 +0100'>2018-02-08</span></td><td><a href='/guix/commit/gnu/packages/conky.scm?id=bf30b70b2679ed2cd64dc68e4404896239c115c5'>gnu: conky: Update to 1.10.8.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-01-26 00:58:19 +0100'>2018-01-26</span></td><td><a href='/guix/commit/gnu/packages/conky.scm?id=c92f98ad51f86182a72f30a8d4dd232d67145944'>gnu: conky: Update to 1.10.7.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2017-09-20 20:58:04 -0400'>2017-09-20</span></td><td><a href='/guix/commit/gnu/packages/conky.scm?id=dc1d3cdef70f0e3c047c229c2a0e561d1f47bde8'>gnu: Use 'modify-phases' syntax.</a><span class='msg-avail'>...</span></td><td>Kei Kebreau</td></tr>
<tr><td><span title='2017-03-15 22:19:39 +0100'>2017-03-15</span></td><td><a href='/guix/commit/gnu/packages/conky.scm?id=f38607536e10f8991bf67d4f6dc5e0632f206f47'>gnu: Use INSTALL-FILE where appropriate.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2017-03-15 03:45:56 +0100'>2017-03-15</span></td><td><a href='/guix/commit/gnu/packages/conky.scm?id=68c10f31f912688fc0d6204cd9b44ba462e83b20'>gnu: conky: Update to 1.10.6.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2016-07-09 20:50:38 +0800'>2016-07-09</span></td><td><a href='/guix/commit/gnu/packages/conky.scm?id=8b5ed303dd690a2bbd0758c3478dd4a9bd7cb435'>gnu: conky: Update to 1.10.3.</a><span class='msg-avail'>...</span></td><td>宋文武</td></tr>
<tr><td><span title='2015-08-28 09:37:15 +0200'>2015-08-28</span></td><td><a href='/guix/commit/gnu/packages/conky.scm?id=7bce9fa5f380fe97973363b501dd330d4d50a3da'>gnu: conky: Fix license.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-08-27 23:34:24 +0200'>2015-08-27</span></td><td><a href='/guix/commit/gnu/packages/conky.scm?id=555e436ea2f8ffebd02983318fcc091277dc6f7d'>gnu: Add conky.</a><span class='msg-avail'>...</span></td><td>Siniša Biđin</td></tr>