fix compiler error

src/client/src/tscSub.c

@@ -92,6 +92,7 @@ static void asyncCallback(void *param, TAOS_RES *tres, int code) {
 
 static SSub* tscCreateSubscription(STscObj* pObj, const char* topic, const char* sql) {
   int code = TSDB_CODE_SUCCESS, line = __LINE__;
+  SSqlObj* pSql = NULL;
 
   SSub* pSub = calloc(1, sizeof(SSub));
   if (pSub == NULL) {
@@ -113,7 +114,7 @@ static SSub* tscCreateSubscription(STscObj* pObj, const char* topic, const char*
     goto fail;
   }
 
-  SSqlObj* pSql = calloc(1, sizeof(SSqlObj));
+  pSql = calloc(1, sizeof(SSqlObj));
   if (pSql == NULL) {
     line = __LINE__;
     code = TSDB_CODE_TSC_OUT_OF_MEMORY;

tests/examples/c/makefile

@@ -4,7 +4,6 @@
 ROOT=./
 TARGET=exe
 LFLAGS = '-Wl,-rpath,/usr/local/taos/driver/' -ltaos -lpthread -lm -lrt
-#LFLAGS = '-Wl,-rpath,/home/zbm/project/td/debug/build/lib/' -L/home/zbm/project/td/debug/build/lib -ltaos -lpthread -lm -lrt
 CFLAGS = -O3 -g -Wall -Wno-deprecated -fPIC -Wno-unused-result -Wconversion -Wno-char-subscripts -D_REENTRANT -Wno-format -D_REENTRANT -DLINUX -msse4.2 -Wno-unused-function -D_M_X64 \
 	-I/usr/local/taos/include -std=gnu99
 
@@ -16,6 +15,7 @@ exe:
 	gcc $(CFLAGS) ./prepare.c -o $(ROOT)/prepare $(LFLAGS)
 	gcc $(CFLAGS) ./stream.c -o $(ROOT)/stream $(LFLAGS)
 	gcc $(CFLAGS) ./subscribe.c -o $(ROOT)subscribe $(LFLAGS)
+	gcc $(CFLAGS) ./apitest.c -o $(ROOT)apitest $(LFLAGS)
 
 clean:
 	rm $(ROOT)/asyncdemo