Fixed minor style issue in SConstruct file.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2027 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

SConstruct

@@ -46,7 +46,7 @@ if ANDROID_TOP is None:
 # TODO: Sort these issues out properly but as a temporary solution for gcc 4.4
 # on linux we need these compiler flags to avoid a mksnapshot segfault, avoid
 # crashes in the v8 test suite and avoid dtoa.c strict aliasing issues
-if os.environ.get('GCC_VERSION') == "44":
+if os.environ.get('GCC_VERSION') == '44':
     GCC_EXTRA_CCFLAGS = ['-fno-tree-vectorize', '-fno-tree-vrp']
     GCC_DTOA_EXTRA_CCFLAGS = ['-fno-strict-aliasing']
 else: