Only include QMetaType if required in moc generated files

Including it might cause build errors. (and thus break source
compatibility)

The problem was seen on KDE where some cpp files included x11 headers
and then later included the .moc file,  then qmetatype.h complains that
Bool is defined

Reviewed-by:  Brad

1 files changed, 2 insertions, 1 deletions

diff --git a/src/tools/moc/moc.h b/src/tools/moc/moc.h
index 689104c..4a1dee9 100644
--- a/src/tools/moc/moc.h
+++ b/src/tools/moc/moc.h
@@ -177,13 +177,14 @@ class Moc : public Parser
 {
 public:
     Moc()
-        : noInclude(false), generatedCode(false)
+        : noInclude(false), generatedCode(false), mustIncludeQMetaTypeH(false)
         {}
 
     QByteArray filename;
 
     bool noInclude;
     bool generatedCode;
+    bool mustIncludeQMetaTypeH;
     QByteArray includePath;
     QList<QByteArray> includeFiles;
     QList<ClassDef> classList;