Debugger: Simplify 'long long int' to 'long long' in display

This also fixes the StdMap test case with LLDB 9.0.0

Change-Id: I0e4580b7e64d62664a81fd75a5e142717bf3563a
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/debugger/simplifytype.cpp

@@ -118,6 +118,7 @@ QString simplifyType(const QString &typeIn)
         type.remove(0, 7);
 
     type.replace("short int", "short");
+    type.replace("long long int", "long long");
 
     const bool isLibCpp = type.contains("std::__1");
     type.replace("std::__cxx11::", "std::");