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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<tr><td><span title='2021-03-27 22:47:02 +0100'>2021-03-27</span></td><td><a href='/guix/commit/gnu/packages/efi.scm?id=02a2c7e53cc0070233c31f52600bec5e6a0d7c72'>gnu: gnu-efi: Update to 3.0.13.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/efi.scm (gnu-efi): Update to 3.0.13.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-01-14 17:18:16 +0100'>2021-01-14</span></td><td><a href='/guix/commit/gnu/packages/efi.scm?id=f79f41e2403e69e4ae5c57e2a5cbd348d8677a98'>gnu: efi-analyzer: Rename with a hyphen instead of an underscore.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/efi.scm (efi_analyzer): Rename to...
(efi-analyzer): ... this.
(efi_analyzer): Redefine as a deprecated alias.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-01-12 22:51:35 +0100'>2021-01-12</span></td><td><a href='/guix/commit/gnu/packages/efi.scm?id=4de576e9b26ea3e634c1cd819600851ee3a5c6d6'>gnu: Fix comment typo.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/efi.scm: Purge spurious space.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-01-12 22:08:33 +0100'>2021-01-12</span></td><td><a href='/guix/commit/gnu/packages/efi.scm?id=373f808df229c12101301b766bd1810836b98481'>gnu: Add efi_analyzer.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/engineering.scm (efi_analyzer): New variable.

Signed-off-by: Tobias Geerinckx-Rice &lt;me@tobias.gr&gt;
</span></span></td><td>Vincent Legoll</td></tr>