patch 8.0.0175: setting language on MS-Windows does not always work

Problem:    Setting language in gvim on MS-Windows does not work when
            libintl.dll is dynamically linked with msvcrt.dll.
Solution:   Use putenv() from libintl as well. (Ken Takata, closes #1082)
diff --git a/src/version.c b/src/version.c
index 36f79b1..d4f2dfc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    175,
+/**/
     174,
 /**/
     173,