contrib: Also fix up .pc file on Mac OS X.

extras/contrib/change_prefix.sh

@@ -64,11 +64,13 @@ for file in $files; do
         fi
       fi
     done
-  elif test ".`file $file | grep \"text\|shell\"`" != "." ; then
-   echo "Fixing up shell/text file "$file""
+  elif test ".`file $file | grep \"text\|shell\"`" != "." -o ".`echo $file | grep pc$`" != "."; then
+   echo "Fixing up shell/text/pc file "$file""
     cp $file $file.tmp
     sed -e "s,$prefix,$new_prefix,g" < $file > $file.tmp
     mv -f $file.tmp $file
+  else
+    echo "Not doing anything with $file"
   fi
 done