AllFindModules test: expect more modules to have a version number available

For all current build machines the modules FindPkgConfig, FindFreetype, and
FindLibXslt return a version number. Enforce this to early catch when this
is not always the case.

Tests/CMakeOnly/AllFindModules/CMakeLists.txt

@@ -48,8 +48,9 @@ endif (NOT QT4_FOUND)
 # If any of these modules reported that it was found a version number should have been
 # reported.
 set(VERSIONS_REQUIRED
-    ALSA BISON BZIP2 CUPS CURL DOXYGEN EXPAT FLEX GETTEXT GIF GIT
-    ImageMagick JASPER LibArchive LIBXML2 PERL PostgreSQL SWIG TIFF ZLIB)
+    ALSA BISON BZIP2 CUPS CURL DOXYGEN EXPAT FLEX FREETYPE GETTEXT GIF GIT
+    ImageMagick JASPER LibArchive LIBXML2 LIBXSLT PERL PKG_CONFIG PostgreSQL
+    SWIG TIFF ZLIB)
 
 foreach(VTEST ${VERSIONS_REQUIRED})
     if (${VTEST}_FOUND)