Fixed compiler error on Linux with non-x86 64bit platforms, e.g. arm6…

…4, mips, and s390x architectures

This modification is already applied in upstream angelscript repository:
https://sourceforge.net/p/angelscript/code/2353/

Thanks to Adrian Bunk and Andreas Jonsson

lib/angelscript/projects/cmake/CMakeLists.txt

@@ -67,6 +67,7 @@ set(ANGELSCRIPT_SOURCE
     ../../source/as_builder.cpp
     ../../source/as_bytecode.cpp
     ../../source/as_callfunc.cpp
+    ../../source/as_callfunc_mips.cpp
     ../../source/as_callfunc_x86.cpp
     ../../source/as_callfunc_x64_gcc.cpp
     ../../source/as_callfunc_x64_msvc.cpp

lib/angelscript/source/as_config.h

@@ -844,7 +844,7 @@
 			#define THISCALL_PASS_OBJECT_POINTER_ON_THE_STACK
 			#define AS_X86
 			#undef AS_NO_THISCALL_FUNCTOR_METHOD
-		#elif defined(__LP64__) && !defined(__arm64__)
+		#elif defined(__x86_64__)
 			#define AS_X64_GCC
 			#undef AS_NO_THISCALL_FUNCTOR_METHOD
 			#define HAS_128_BIT_PRIMITIVES