Fix error reporting for enforce new switch/for syntax

src/check_stmt.cpp

@@ -572,7 +572,7 @@ gb_internal Type *check_assignment_variable(CheckerContext *ctx, Operand *lhs, O
 			error(lhs->expr, "Cannot assign to '%s'", str);
 
 			if (e && e->flags & EntityFlag_ForValue) {
-				isize offset = show_error_on_line(e->token.pos, token_pos_end(e->token), "Suggestion:");
+				isize offset = show_error_on_line(e->token.pos, token_pos_end(e->token));
 				if (offset < 0) {
 					if (is_type_map(e->type)) {
 						error_line("\tSuggestion: Did you mean? 'for key, &%.*s in ...'\n", LIT(e->token.string));
@@ -588,7 +588,7 @@ gb_internal Type *check_assignment_variable(CheckerContext *ctx, Operand *lhs, O
 				}
 
 			} else if (e && e->flags & EntityFlag_SwitchValue) {
-				isize offset = show_error_on_line(e->token.pos, token_pos_end(e->token), "Suggestion:");
+				isize offset = show_error_on_line(e->token.pos, token_pos_end(e->token));
 				if (offset < 0) {
 					error_line("\tSuggestion: Did you mean? 'switch &%.*s in ...'\n", LIT(e->token.string));
 				} else {

src/error.cpp

@@ -266,7 +266,7 @@ gb_internal void terminal_reset_colours(void) {
 }
 
 
-gb_internal isize show_error_on_line(TokenPos const &pos, TokenPos end, char const *prefix=nullptr) {
+gb_internal isize show_error_on_line(TokenPos const &pos, TokenPos end) {
 	get_error_value()->end = end;
 	if (!show_error_line()) {
 		return -1;
@@ -289,17 +289,13 @@ gb_internal isize show_error_on_line(TokenPos const &pos, TokenPos end, char con
 			MAX_LINE_LENGTH_PADDED = MAX_LINE_LENGTH-MAX_TAB_WIDTH-ELLIPSIS_PADDING,
 		};
 
-		if (prefix) {
-			error_out("\t%s\n\n", prefix);
-		}
+		i32 error_length = gb_max(end.offset - pos.offset, 1);
 
 		error_out("\t");
 
 		terminal_set_colours(TerminalStyle_Bold, TerminalColour_White);
 
 
-		i32 error_length = gb_max(end.offset - pos.offset, 1);
-
 		isize squiggle_extra = 0;
 
 		if (line_len > MAX_LINE_LENGTH_PADDED) {