* hash.c (w32_getenv): should be static.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43965 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

hash.c

@@ -2408,7 +2408,7 @@ static char **my_environ;
 #undef environ
 #define environ my_environ
 #undef getenv
-inline char *
+static inline char *
 w32_getenv(const char *name)
 {
     static int binary = -1;