Squash "unknown warning option" warnings. -Wmaybe-unititialized is specific
to GCC.

warning: unknown warning option '-Werror=maybe-uninitialized'; did you mean '-Werror=uninitialized'? [-Wunknown-warning-option]

Regressed by: https://code.qt.io/cgit/qt-creator/qt-creator.git/commit/?id=8129f886bcc50e91f55de15f751df183f0db822c

--- src/plugins/qmldesigner/CMakeLists.txt.orig	2024-11-27 10:00:24 UTC
+++ src/plugins/qmldesigner/CMakeLists.txt
@@ -110,7 +110,7 @@ extend_qtc_plugin(QmlDesigner
 extend_qtc_plugin(QmlDesigner
     CONDITION ENABLE_COMPILE_WARNING_AS_ERROR
     PROPERTIES COMPILE_WARNING_AS_ERROR ON
-    PUBLIC_COMPILE_OPTIONS $<$<COMPILE_LANG_AND_ID:CXX,Clang,GNU>:-Wno-error=maybe-uninitialized>
+    PUBLIC_COMPILE_OPTIONS $<$<COMPILE_LANG_AND_ID:CXX,GNU>:-Wno-error=maybe-uninitialized>
 )
 
 if (QTC_STATIC_BUILD AND TARGET QmlDesigner)