in parse_rcfile(), properly handle rcfiles that don't end in newlines

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3576 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -262,6 +262,7 @@ CVS code -
 	  any associated color commands. (DLR)
 	- Change variable i from an int to a size_t, for consistency.
 	  (DLR)
+	- Properly handle rcfiles that don't end in newlines. (DLR)
   do_rcfile()
 	- Check for the rcfile's being a directory or device file and
 	  reject it if it is, for consistency with file handling

src/rcfile.c

@@ -622,7 +622,8 @@ void parse_rcfile(FILE *rcstream
 	size_t i;
 
 	/* Ignore the newline. */
-	buf[len - 1] = '\0';
+	if (buf[len - 1] == '\n')
+	    buf[len - 1] = '\0';
 
 	lineno++;
 	ptr = buf;