Correct printing in fmt for `ODIN_ERROR_POS_STYLE`

core/fmt/fmt.odin

@@ -1961,11 +1961,22 @@ fmt_named :: proc(fi: ^Info, v: any, verb: rune, info: runtime.Type_Info_Named)
 	switch a in v {
 	case runtime.Source_Code_Location:
 		io.write_string(fi.writer, a.file_path, &fi.n)
-		io.write_byte(fi.writer, '(', &fi.n)
-		io.write_int(fi.writer, int(a.line), 10, &fi.n)
-		io.write_byte(fi.writer, ':', &fi.n)
-		io.write_int(fi.writer, int(a.column), 10, &fi.n)
-		io.write_byte(fi.writer, ')', &fi.n)
+
+		when ODIN_ERROR_POS_STYLE == .Default {
+			io.write_byte(fi.writer, '(', &fi.n)
+			io.write_int(fi.writer, int(a.line), 10, &fi.n)
+			io.write_byte(fi.writer, ':', &fi.n)
+			io.write_int(fi.writer, int(a.column), 10, &fi.n)
+			io.write_byte(fi.writer, ')', &fi.n)
+		} else when ODIN_ERROR_POS_STYLE == .Unix {
+			io.write_byte(fi.writer, ':', &fi.n)
+			io.write_int(fi.writer, int(a.line), 10, &fi.n)
+			io.write_byte(fi.writer, ':', &fi.n)
+			io.write_int(fi.writer, int(a.column), 10, &fi.n)
+			io.write_byte(fi.writer, ':', &fi.n)
+		} else {
+			#panic("Unhandled ODIN_ERROR_POS_STYLE")
+		}
 		return
 
 	case time.Duration: