[scanner] Catch OSError too when checking for libtool

If we don't have permission to execute the libtool binary, we'd
just throw here which is wrong.  Fix this by catching all
exceptions.

diff --git a/giscanner/utils.py b/giscanner/utils.py
index 00d7a88..3bbf33b 100644 (file)
--- a/giscanner/utils.py
+++ b/giscanner/utils.py
@@ -97,7 +97,7 @@ def get_libtool_command(options):
     try:
         subprocess.check_call(['libtool', '--version'],
                               stdout=open(os.devnull))
-    except subprocess.CalledProcessError, e:
+    except:
         # If libtool's not installed, assume we don't need it
         return None