Merge branch 'emacs-25' of git.savannah.gnu.org:/srv/git/emacs into emacs-25

src/nsterm.m

@@ -596,8 +596,15 @@ - (NSColor *)colorUsingDefaultColorSpace
 
   @try
     {
+      /* It seems OS X should probably use UTF-8 everywhere.
+         'localeIdentifier' does not specify the encoding, and I can't
+         find any way to get the OS to tell us which encoding to use,
+         so hard-code '.UTF-8'. */
+      NSString *localeID = [NSString stringWithFormat:@"%@.UTF-8",
+                                     [locale localeIdentifier]];
+
       /* Set LANG to locale, but not if LANG is already set. */
-      setenv("LANG", [[locale localeIdentifier] UTF8String], 0);
+      setenv("LANG", [localeID UTF8String], 0);
     }
   @catch (NSException *e)
     {