diff.c: reorder arguments for emit_line_ws_markup

The order shall be all colors first, then the content, flags at the end.
The colors are in the order of occurrence, i.e. first the color for the
sign and then the color for the rest of the line.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff.c

@@ -1185,9 +1185,9 @@ static void dim_moved_lines(struct diff_options *o)
 }
 
 static void emit_line_ws_markup(struct diff_options *o,
-				const char *set, const char *reset,
-				const char *line, int len,
-				const char *set_sign, char sign,
+				const char *set_sign, const char *set,
+				const char *reset,
+				char sign, const char *line, int len,
 				unsigned ws_rule, int blank_at_eof)
 {
 	const char *ws = NULL;
@@ -1271,7 +1271,7 @@ static void emit_diff_symbol_from_struct(struct diff_options *o,
 			else if (c == '-')
 				set = diff_get_color_opt(o, DIFF_FILE_OLD);
 		}
-		emit_line_ws_markup(o, set, reset, line, len, set_sign, ' ',
+		emit_line_ws_markup(o, set_sign, set, reset, ' ', line, len,
 				    flags & (DIFF_SYMBOL_CONTENT_WS_MASK), 0);
 		break;
 	case DIFF_SYMBOL_PLUS:
@@ -1314,7 +1314,7 @@ static void emit_diff_symbol_from_struct(struct diff_options *o,
 				set = diff_get_color_opt(o, DIFF_CONTEXT_BOLD);
 			flags &= ~DIFF_SYMBOL_CONTENT_WS_MASK;
 		}
-		emit_line_ws_markup(o, set, reset, line, len, set_sign, '+',
+		emit_line_ws_markup(o, set_sign, set, reset, '+', line, len,
 				    flags & DIFF_SYMBOL_CONTENT_WS_MASK,
 				    flags & DIFF_SYMBOL_CONTENT_BLANK_LINE_EOF);
 		break;
@@ -1357,7 +1357,7 @@ static void emit_diff_symbol_from_struct(struct diff_options *o,
 			else
 				set = diff_get_color_opt(o, DIFF_CONTEXT_DIM);
 		}
-		emit_line_ws_markup(o, set, reset, line, len, set_sign, '-',
+		emit_line_ws_markup(o, set_sign, set, reset, '-', line, len,
 				    flags & DIFF_SYMBOL_CONTENT_WS_MASK, 0);
 		break;
 	case DIFF_SYMBOL_WORDS_PORCELAIN: