fix build error on Linux

src/1534.c

@@ -1,7 +1,7 @@
 //
 // Created by xfj12 on 2025/4/14.
 //
-#include <math.h>
+#include <stdlib.h>
 #include <solution/1534.h>
 int countGoodTriplets(int *arr, int arrSize, int a, int b, int c)
 {

src/219.c

@@ -2,7 +2,7 @@
 // Created by xfj12 on 2025/3/24.
 //
 #include <assert.h>
-#include <math.h>
+#include <stdlib.h>
 #include <stdbool.h>
 
 bool containsNearbyDuplicate(int *nums, int numsSize, int k)

src/3110.c

@@ -1,5 +1,5 @@
 #include <assert.h>
-#include <math.h>
+#include <stdlib.h>
 #include <string.h>
 //
 // Created by xfj12 on 2025/3/24.