Use clang for compiling the few .c files, including minilzo-2.04

which appears to trigger a bug in the version of llvm-gcc included
with some releases of Xcode prior to 3.2.5.


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7310 8ced0084-cf51-0410-be5f-012b33b47a6e

SConstruct

@@ -123,7 +123,6 @@ if sys.platform == 'darwin':
     env['CCFLAGS'] += ['-Wextra-tokens', '-Wnewline-eof']
     env['CC'] = '/Developer/usr/bin/clang'
     env['CXX'] = '/Developer/usr/bin/clang++'
-    env['CC'] = '/Developer/usr/bin/llvm-gcc'
     env['CXX'] = '/Developer/usr/bin/llvm-g++'
     env['CXXFLAGS'] += ['-x', 'objective-c++']
     env['LINKFLAGS'] += ccld