Not allocating a struct for the "none" syntax -- it doesn't need any.

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5698 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -1,5 +1,6 @@
 2016-02-28  Benno Schulenberg  <bensberg@justemail.net>
 	* src/nano.h, src/rcfile.c, src/color.c: Rename a struct member.
+	* src/rcfile.c (parse_rcfile): Don't allocate struct for none syntax.
 
 2016-02-28  Benno Schulenberg  <bensberg@justemail.net>
 	* src/rcfile.c (parse_header_exp): Don't continue when something is

src/rcfile.c

@@ -286,14 +286,17 @@ void parse_syntax(char *ptr)
 	return;
     }
 
-    ptr++;
+    nameptr = ++ptr;
-
-    nameptr = ptr;
     ptr = parse_next_regex(ptr);
-
     if (ptr == NULL)
 	return;
 
+    /* Redefining the "none" syntax is not allowed. */
+    if (strcmp(nameptr, "none") == 0) {
+	rcfile_error(N_("The \"none\" syntax is reserved"));
+	return;
+    }
+
     /* Search for a duplicate syntax name.  If we find one, free it, so
      * that we always use the last syntax with a given name. */
     prev_syntax = NULL;
@@ -346,13 +349,6 @@ void parse_syntax(char *ptr)
     fprintf(stderr, "Starting a new syntax type: \"%s\"\n", nameptr);
 #endif
 
-    /* The "none" syntax is the same as not having a syntax at all, so
-     * we can't assign any extensions or colors to it. */
-    if (strcmp(endsyntax->name, "none") == 0) {
-	rcfile_error(N_("The \"none\" syntax is reserved"));
-	return;
-    }
-
     /* The default syntax should have no associated extensions. */
     if (strcmp(endsyntax->name, "default") == 0 && *ptr != '\0') {
 	rcfile_error(