Allow the 'QtPrinter' header to be found, as described
at <https://github.com/LuminanceHDR/LuminanceHDR/issues/11>.

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fbad8a2..8379c8a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,6 +29,7 @@ find_package(Qt5Xml)
 find_package(Qt5Sql)
 find_package(Qt5Network)
 find_package(Qt5LinguistTools)
+find_package(Qt5PrintSupport REQUIRED)
 IF(WIN32)
 	find_package(Qt5WinExtras)
 ENDIF()
diff --git a/src/HelpBrowser/CMakeLists.txt b/src/HelpBrowser/CMakeLists.txt
index 04319a8..5537dae 100644
--- a/src/HelpBrowser/CMakeLists.txt
+++ b/src/HelpBrowser/CMakeLists.txt
@@ -29,7 +29,7 @@ QT5_WRAP_UI(FILES_UI_H ${FILES_UI})
 
 
 ADD_LIBRARY(helpbrowser ${FILES_H} ${FILES_CPP} ${FILES_MOC} ${FILES_UI_H} ${FILES_HXX})
-qt5_use_modules(helpbrowser Core Concurrent Gui Widgets Xml WebKit WebKitWidgets)
+qt5_use_modules(helpbrowser Core Concurrent Gui Widgets Xml WebKit WebKitWidgets PrintSupport)
 
 SET(FILES_TO_TRANSLATE ${FILES_TO_TRANSLATE} ${FILES_CPP} ${FILES_H} ${FILES_UI} ${FILES_HXX} PARENT_SCOPE)
 SET(LUMINANCE_MODULES_GUI ${LUMINANCE_MODULES_GUI} helpbrowser PARENT_SCOPE)
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<div class='path'>path: <a href='/guix/log/?id=08295e6fc09087511aa083f768cf32ec9ecd3fc0'>root</a>/<a href='/guix/log/gnu?id=08295e6fc09087511aa083f768cf32ec9ecd3fc0'>gnu</a>/<a href='/guix/log/gnu/packages?id=08295e6fc09087511aa083f768cf32ec9ecd3fc0'>packages</a>/<a href='/guix/log/gnu/packages/antivirus.scm?id=08295e6fc09087511aa083f768cf32ec9ecd3fc0'>antivirus.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/antivirus.scm?id=08295e6fc09087511aa083f768cf32ec9ecd3fc0&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-02-24 17:51:29 +0100'>2019-02-24</span></td><td><a href='/guix/commit/gnu/packages/antivirus.scm?id=fcab568dea5bbf0fb8bb322fb3d27b455ea804d3'>gnu: clamav: Update to 0.101.1.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-01-24 21:18:11 +0100'>2019-01-24</span></td><td><a href='/guix/commit/gnu/packages/antivirus.scm?id=6e59d91af19370fa75a681ebc34556fa677a8cbf'>gnu: clamav: Unconditionally return #T from build phase.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2018-11-17 00:20:44 -0600'>2018-11-17</span></td><td><a href='/guix/commit/gnu/packages/antivirus.scm?id=0a41123f01d5d2466d6f533be3644ac8c9a2bdf9'>gnu: Add ClamAV.</a><span class='msg-avail'>...</span></td><td>Eric Bavier</td></tr>