std/fmt: fix compile issues of the Sprintg function

Author: mertcandav

std/fmt/format.jule

@@ -155,7 +155,7 @@ fn bprintf(fmt: str, args: ...any): []byte {
 }
 
 // Tries to call reserved Str method for type.
-fn tryToCallStr[T](mut &sb: strings::Builder, t: T): (ok: bool) {
+fn tryToCallStr[T](mut &sb: *strings::Builder, t: T): (ok: bool) {
 	const tt = comptime::TypeOf(T)
 	const for _, method in tt.Decl().Methods() {
 		const match method.Name() {
@@ -177,7 +177,7 @@ fn tryToCallStr[T](mut &sb: strings::Builder, t: T): (ok: bool) {
 	ret false
 }
 
-fn bprintgw[T](mut &sb: strings::Builder, t: T) {
+fn bprintgw[T](mut &sb: *strings::Builder, t: T) {
 	const tt = comptime::TypeOf(T)
 	const match {
 	| tt.Bind():
@@ -286,6 +286,6 @@ fn bprintgw[T](mut &sb: strings::Builder, t: T) {
 
 fn bprintg[T](t: T): []byte {
 	mut sb := strings::Builder{}
-	bprintgw(sb, t)
+	bprintgw(&sb, t)
 	ret unsafe { sb.Buf() }
 }