fix makefile err

tests/examples/c/makefile

@@ -7,7 +7,6 @@ LFLAGS = '-Wl,-rpath,/usr/local/taos/driver/' -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 \
 	-Wno-unused-function -D_M_X64 -I/usr/local/taos/include -std=gnu99 \
-
 	-I../../../deps/cJson/inc
 all: $(TARGET)
 
@@ -38,4 +37,4 @@ clean:
 	rm $(ROOT)clientcfgtest-wrongjson
 	rm $(ROOT)clientcfgtest-wrongvalue
 	rm $(ROOT)clientcfgtest-taosd
-	
\ No newline at end of file
+