Move Clang mkspec for Mac OS X out of unsupported

The plan is to make it the default mkspec for Qt 5 on Mac OS X.

Change-Id: I49cf619a06fd7155dfbddc377558327b4be09cef
Reviewed-by: Bradley T. Hughes <bradley.hughes@nokia.com>

mkspecs/unsupported/macx-clang/qmake.conf → mkspecs/macx-clang/qmake.conf

@@ -9,9 +9,9 @@ CONFIG += qt warn_on release app_bundle incremental global_init_link_order lib_v
 QT += core gui
 QMAKE_INCREMENTAL_STYLE = sublib
 
-include(../../common/mac.conf)
-include(../../common/gcc-base-macx.conf)
-include(../../common/clang.conf)
+include(../common/mac.conf)
+include(../common/gcc-base-macx.conf)
+include(../common/clang.conf)
 
 QMAKE_OBJCFLAGS_PRECOMPILE       = -x objective-c-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_PCH_OUTPUT}
 QMAKE_OBJCFLAGS_USE_PRECOMPILE   = $$QMAKE_CFLAGS_USE_PRECOMPILE

mkspecs/unsupported/macx-clang/qplatformdefs.h → mkspecs/macx-clang/qplatformdefs.h

@@ -39,5 +39,5 @@
 **
 ****************************************************************************/
 
-#include "../../common/mac/qplatformdefs.h"
+#include "../common/mac/qplatformdefs.h"