fix string lengths

fsdir/Programs/src/exectest.c

@@ -4,6 +4,6 @@
 int main()
 {
 	sys_exec((uint8_t*)"/Programs/bin/hello");
-	sys_write(1, "Done executing!\n", sizeof("Done executin!\n"));
+	sys_write(1, "Done executing!\n", 16);
 	return 0;
 }
\ No newline at end of file

fsdir/Programs/src/hello.c

@@ -3,6 +3,6 @@
 
 int main()
 {
-	sys_write(1, "Hello, World!\n", sizeof("Hello, World!\n"));
+	sys_write(1, "Hello, World!\n", 14);
 	return 0;
 }
\ No newline at end of file