fix windows compile error

src/query/src/tdigest.c

@@ -51,7 +51,7 @@ void tdigestCopy(TDigest* dst, TDigest* src) {
 }
 
 TDigest *tdigestNewFrom(void* pBuf, int32_t compression) {
-    memset(pBuf, 0, TDIGEST_SIZE(compression));
+    memset(pBuf, 0, (size_t)TDIGEST_SIZE(compression));
     TDigest* t = (TDigest*)pBuf;
     
     t->centroids    = (SCentroid*)calloc((int32_t)GET_CENTROID(compression), sizeof(SCentroid));

src/query/tests/apercentileTest.cpp

@@ -36,7 +36,7 @@ enum {
 
 
 void tdigest_init(TDigest **pTDigest) {
-  void *tmp = calloc(1, (int16_t)(TDIGEST_SIZE(COMPRESSION)));
+  void *tmp = calloc(1, (size_t)(TDIGEST_SIZE(COMPRESSION)));
   *pTDigest = tdigestNewFrom(tmp, COMPRESSION);
 }