* error.c (rb_strerrno): constified.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25896 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Tue Nov 24 10:00:00 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* error.c (rb_strerrno): constified.
+
 Tue Nov 24 09:49:31 2009  Tanaka Akira  <akr@fsij.org>
 
 	* error.c (rb_strerrno): return "UNKNOWNERROR" for non-zero unknown

error.c

@@ -1258,7 +1258,7 @@ Init_syserr(void)
 #undef undefined_error
 }
 
-char *
+const char *
 rb_strerrno(int err)
 {
     if (err == 0) return "NOERROR";

include/ruby/intern.h

@@ -200,7 +200,7 @@ PRINTF_ARGS(void rb_compile_error_append(const char*, ...), 1, 2);
 NORETURN(void rb_load_fail(const char*));
 NORETURN(void rb_error_frozen(const char*));
 void rb_check_frozen(VALUE);
-char *rb_strerrno(int);
+const char *rb_strerrno(int);
 /* eval.c */
 int rb_sourceline(void);
 const char *rb_sourcefile(void);