per Mike Frysinger's patch, in move_mbleft(), fix assert to reference

the proper variable, so that nano builds with DEBUG defined again


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2422 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -3,6 +3,11 @@ CVS code -
 	- After (re)initializing the terminal, make sure the cursor is
 	  always turned on.  Changes to do_alt_speller(),
 	  handle_sigwinch(), and main(). (DLR)
+- chars.c:
+  move_mbleft()
+	- Fix assert to reference the proper variable, so that nano
+	  builds with DEBUG defined again. (Mike Frysinger, found by
+	  Dmitri Vassilenko)
 - files.c:
   do_browser()
 	- Rename variable lineno to fileline to avoid confusion. (DLR)

src/chars.c

@@ -455,7 +455,7 @@ size_t move_mbleft(const char *buf, size_t pos)
 {
     size_t pos_prev = pos;
 
-    assert(str != NULL && pos <= strlen(buf));
+    assert(buf != NULL && pos <= strlen(buf));
 
     /* There is no library function to move backward one multibyte
      * character.  Here is the naive, O(pos) way to do it. */