tweaks: adjust some whitespace and rewrap a few lines

And remove two unneeded casts.

src/cut.c

@@ -35,10 +35,8 @@ void do_deletion(undo_type action)
 
 	/* When in the middle of a line, delete the current character. */
 	if (openfile->current->data[openfile->current_x] != '\0') {
-		int charlen = char_length(openfile->current->data +
-										openfile->current_x);
-		size_t line_len = strlen(openfile->current->data +
-										openfile->current_x);
+		int charlen = char_length(openfile->current->data + openfile->current_x);
+		size_t line_len = strlen(openfile->current->data + openfile->current_x);
 #ifndef NANO_TINY
 		/* If the type of action changed or the cursor moved to a different
 		 * line, create a new undo item, otherwise update the existing item. */

src/files.c

@@ -295,8 +295,8 @@ int delete_lockfile(const char *lockfilename)
  * creating the lockfile but we should continue to load the file. */
 int do_lockfile(const char *filename)
 {
-	char *namecopy = (char *) mallocstrcpy(NULL, filename);
-	char *secondcopy = (char *) mallocstrcpy(NULL, filename);
+	char *namecopy = mallocstrcpy(NULL, filename);
+	char *secondcopy = mallocstrcpy(NULL, filename);
 	size_t locknamesize = strlen(filename) + strlen(locking_prefix)
 				+ strlen(locking_suffix) + 3;
 	char *lockfilename = charalloc(locknamesize);

src/winio.c

@@ -2494,8 +2494,7 @@ void edit_draw(linestruct *fileptr, const char *converted,
 
 					/* If the match is of length zero, skip it. */
 					if (match.rm_so == match.rm_eo) {
-						index = step_right(fileptr->data,
-												index + match.rm_eo);
+						index = step_right(fileptr->data, index + match.rm_eo);
 						continue;
 					}
 
@@ -2517,8 +2516,7 @@ void edit_draw(linestruct *fileptr, const char *converted,
 					paintlen = actual_x(thetext, wideness(fileptr->data,
 										match.rm_eo) - from_col - start_col);
 
-					mvwaddnstr(edit, row, margin + start_col,
-												thetext, paintlen);
+					mvwaddnstr(edit, row, margin + start_col, thetext, paintlen);
 				}
 				goto tail_of_loop;
 			}