never-NULL pointer check

* dir.c (ruby_glob0): no need to check never-NULL pointer.
  reported by Denis Denisov <denji0k AT gmail.com>.
* win32/file.c (rb_file_expand_path_internal): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49024 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,4 +1,9 @@
-Fri Dec 26 14:48:10 2014  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Fri Dec 26 14:51:34 2014  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* dir.c (ruby_glob0): no need to check never-NULL pointer.
+	  reported by Denis Denisov <denji0k AT gmail.com>.
+
+	* win32/file.c (rb_file_expand_path_internal): ditto.
 
 	* win32/file.c (code_page_i): handle realloc failure.
 	  reported by Denis Denisov <denji0k AT gmail.com>.

dir.c

@@ -1690,7 +1690,7 @@ ruby_glob0(const char *path, int flags, ruby_glob_func *func, VALUE arg, rb_enco
     root = rb_enc_path_skip_prefix(root, root + strlen(root), enc);
 #endif
 
-    if (root && *root == '/') root++;
+    if (*root == '/') root++;
 
     n = root - start;
     buf = GLOB_ALLOC_N(char, n + 1);

win32/file.c

@@ -626,7 +626,7 @@ rb_file_expand_path_internal(VALUE fname, VALUE dname, int abs_mode, int long_na
     if (whome)
 	xfree(whome);
 
-    if (wfullpath && wfullpath != wfullpath_buffer)
+    if (wfullpath != wfullpath_buffer)
 	xfree(wfullpath);
 
     if (fullpath)