updated for version 7.3.276

Problem:    GvimExt sets $LANG in the wrong way.
Solution:   Save the environment and use it for gvim. (Yasuhiro Matsumoto)

src/version.c

@@ -709,6 +709,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    276,
 /**/
     275,
 /**/