fix 2.0 branch compile warning.

src/dnode/CMakeLists.txt

@@ -6,6 +6,7 @@ IF ((TD_LINUX_64) OR (TD_LINUX_32 AND TD_ARM))
   INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/src/inc)
   INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/src/util/inc)
   INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/src/query/inc)
+  INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/src/mnode/inc)
   INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/src/vnode/tsdb/inc)
   INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/src/common/inc)
   INCLUDE_DIRECTORIES(${TD_ENTERPRISE_DIR}/src/inc)

src/dnode/src/dnodeMain.c

@@ -28,6 +28,7 @@
 #include "dnodeRead.h"
 #include "dnodeShell.h"
 #include "dnodeWrite.h"
+#include "mgmtGrant.h"
 
 static int32_t dnodeInitSystem();
 static int32_t dnodeInitStorage();

src/vnode/tsdb/src/tsdbMain.c

@@ -654,7 +654,7 @@ static int32_t tsdbSetRepoEnv(STsdbRepo *pRepo) {
 }
 
 static int32_t tsdbDestroyRepoEnv(STsdbRepo *pRepo) {
-  char fname[128];
+  char fname[260];
   if (pRepo == NULL) return 0;
   char *dirName = calloc(1, strlen(pRepo->rootDir) + strlen("tsdb") + 2);
   if (dirName == NULL) {

tests/examples/c/demo.c

@@ -45,6 +45,8 @@ static int32_t doQuery(TAOS* taos, const char* sql) {
   }
   
   taos_free_result(res);
+
+  return 0;
 }
 
 int main(int argc, char *argv[]) {

tests/tsim/src/cJSON.c

@@ -290,7 +290,7 @@ loop_end:
 
     input_buffer->offset += (size_t)(after_end - number_c_string);
 
-    strncpy(item->numberstring, number_c_string, 12);
+    strncpy(item->numberstring, (const char *)number_c_string, 12);
 
     return true;
 }