fix some warnings

Author: feodor

Makefile

@@ -16,6 +16,7 @@ ifdef USE_PGXS
 PG_CONFIG = pg_config
 PGXS := $(shell $(PG_CONFIG) --pgxs)
 include $(PGXS)
+CC=gcc47
 else
 subdir = contrib/jsquery
 top_builddir = ../..

jsquery_op.c

@@ -101,7 +101,7 @@ checkScalarEquality(JsQueryItem *jsq,  JsonbValue *jb)
 	if (jb->type == jbvBinary)
 		return false;
 
-	if (jb->type != jsq->type /* see enums */)
+	if ((int)jb->type != (int)jsq->type /* see enums */)
 		return false;
 
 	switch(jsq->type)

jsquery_support.c

@@ -51,13 +51,10 @@ jsqInit(JsQueryItem *v, JsQuery *js)
 void
 jsqInitByBuffer(JsQueryItem *v, char *base, int32 pos)
 {
-	int xxx;
-
 	v->base = base;
 
 	read_byte(v->type, base, pos);
 
-	xxx = v->type;
 	v->hint = v->type & JSQ_HINT_MASK;
 	v->type &= ~JSQ_HINT_MASK;