Make a few helper functions static.

2011-12-01  Janne Blomqvist  <jb@gcc.gnu.org>

	* module.c (dt_lower_string): Make static.
	(dt_upper_string): Likewise.

From-SVN: r181881

gcc/fortran/ChangeLog

 2011-12-01  Janne Blomqvist  <jb@gcc.gnu.org>
 
+	* module.c (dt_lower_string): Make static.
+	(dt_upper_string): Likewise.
+
+2011-12-01  Janne Blomqvist  <jb@gcc.gnu.org>
+
 	PR fortran/25708
 	* module.c (parse_string): Read string into resizable array
 	instead of parsing twice and seeking.

gcc/fortran/module.c

@@ -435,7 +435,7 @@ resolve_fixups (fixup_t *f, void *gp)
    to convert the symtree name of a derived-type to the symbol name or to
    the name of the associated generic function.  */
 
-const char *
+static const char *
 dt_lower_string (const char *name)
 {
   if (name[0] != (char) TOLOWER ((unsigned char) name[0]))
@@ -450,7 +450,7 @@ dt_lower_string (const char *name)
    symtree/symbol name of the associated generic function start with a lower-
    case character.  */
 
-const char *
+static const char *
 dt_upper_string (const char *name)
 {
   if (name[0] != (char) TOUPPER ((unsigned char) name[0]))