Fix ordering of @builtin. malloc <-> alloc, malloc, calloc, realloc, free builtins.

resources/examples/contextfree/boolerr.c3

@@ -44,7 +44,7 @@ fn bool contains(char[] haystack, char[] needle)
 
 macro @dupe(value)
 {
-	$typeof(&value) temp = mem::alloc_checked($sizeof(value))?;
+	$typeof(&value) temp = malloc_checked($sizeof(value))?;
 	*temp = value;
 	return temp;
 }

resources/examples/contextfree/guess_number.c3

@@ -32,7 +32,7 @@ fn int! askGuess(int high)
 
 fn char[]! readLine()
 {
-	char* chars = mem::talloc(1024)?;
+	char* chars = tmalloc(1024)?;
 	isize loaded = getline(&chars, &&(usize)1023, libc::stdin());
 	if (loaded < 0) return InputResult.FAILED_TO_READ!;
 	chars[loaded] = 0;