[gobject-introspection] giscanner/msvccompiler.py: Fix exception handling

[Chun-wei Fan <fanchunwei src gnome org>]

commit f5cc8f5d29a81da7d0f875bd4b0588df3a96ac0f
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Fri Feb 19 13:26:42 2016 +0800

    giscanner/msvccompiler.py: Fix exception handling
    
    Fix the syntax where we handle the exception during preprocessing, so that
    we won't trigger a NameError when preprocessing fails, and so the error
    would become clearer to people.
    
    Reported by Cosimo Lupo.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=757126

 giscanner/msvccompiler.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/giscanner/msvccompiler.py b/giscanner/msvccompiler.py
index d578577..86049da 100644
--- a/giscanner/msvccompiler.py
+++ b/giscanner/msvccompiler.py
@@ -80,7 +80,7 @@ class MSVCCompiler(distutils.msvccompiler.MSVCCompiler):
         if self.force or output_file is None or newer(source, output_file):
             try:
                 self.spawn(cpp_args)
-            except (DistutilsExecError, msg):
+            except DistutilsExecError as msg:
                 print(msg)
                 raise CompileError