color: reset win32 console color in a finally block

hgext/color.py

@@ -349,6 +349,8 b' else:'
 
         # Look for ANSI-like codes embedded in text
         m = re.match(ansire, text)
+
+        try:
         while m:
             for sattr in m.group(1).split(';'):
                 if sattr:
@@ -356,6 +358,6 b' else:'
             _kernel32.SetConsoleTextAttribute(stdout, attr)
             orig(m.group(2), **opts)
             m = re.match(ansire, m.group(3))
-
+        finally:
         # Explicity reset original attributes
         _kernel32.SetConsoleTextAttribute(stdout, origattr)