wscript: workaround bug when CC_VERSION is not set for msvc

wscript

@@ -89,6 +89,11 @@ def configure(conf):
  conf.load('msvc msdev')
  conf.load('xcompile compiler_c compiler_cxx strip_on_install')
 
+ try:
+ conf.env.CC_VERSION[0]
+ except IndexError:
+ conf.env.CC_VERSION = (0, )
+
  if conf.env.DEST_OS == 'android':
  conf.options.GOLDSRC = False
  conf.env.SERVER_NAME = 'server' # can't be any other name, until specified
@@ -192,8 +197,8 @@ def configure(conf):
  '-Werror=declaration-after-statement'
  ]
 
- linkflags = conf.get_flags_by_type(linker_flags, conf.options.BUILD_TYPE, conf.env.COMPILER_CC)
- cflags = conf.get_flags_by_type(compiler_c_cxx_flags, conf.options.BUILD_TYPE, conf.env.COMPILER_CC)
+ linkflags = conf.get_flags_by_type(linker_flags, conf.options.BUILD_TYPE, conf.env.COMPILER_CC, conf.env.CC_VERSION[0])
+ cflags = conf.get_flags_by_type(compiler_c_cxx_flags, conf.options.BUILD_TYPE, conf.env.COMPILER_CC, conf.env.CC_VERSION[0])
 
  # Here we don't differentiate C or C++ flags
  if conf.options.LTO: