Changed null out at end of matchBuf from NULL to 0

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@483 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -28,7 +28,7 @@ General
 	- Added space and - keys to do page up and down.
   cwd_tab_completion(), input_tab()
 	- Changed bare malloc/calloc calls to nmalloc (found by Rocco).
-	- Added null end of tmpBuf for sanity (Rocco).
+	- Added zero end of tmpBuf for sanity (Rocco).
 - nano.c:
   ABCD()
 	- New function, figures out what kbinput to return given

files.c

@@ -885,7 +885,7 @@ char *input_tab(char *buf, int place, int *lastWasTab, int *newplace)
 	matchBuf = (char *) nmalloc((strlen(buf) + 2) * sizeof(char));
 
 	strncpy(matchBuf, buf, place);
-	matchBuf[place] = (char) NULL;
+	matchBuf[place] = 0;
 	tmp = matchBuf;
 
 	/* skip any leading white space */