Debugger: Fix staticMetaObject extraction with LLDB

When asked for Foo::staticMetaObject, it will find
any *::staticMetaObject. Looking for the mangled name
finds the one we need.

Change-Id: I4508a3c282bc8a46efa011efb73f32cdbf46398c
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

share/qtcreator/debugger/gdbbridge.py

@@ -861,6 +861,9 @@ class Dumper(DumperBase):
     def extractByte(self, addr):
         return struct.unpack("b", self.readRawMemory(addr, 1))[0]
 
+    def findStaticMetaObject(self, typeName):
+        return self.findSymbol(typeName + "::staticMetaObject")
+
     def findSymbol(self, symbolName):
         try:
             result = gdb.lookup_global_symbol(symbolName)