prefix hash functions with uc_

fix prototype for hashuint

src/ucore_hash.h

@@ -29,7 +29,7 @@ uint32_t
 uc_pjwhash(const char *str,size_t len);
 
 uint32_t
-sax_hash(void *key, size_t len);
+uc_sax_hash(void *key, size_t len);
 
 #ifdef __cplusplus
 }

src/ucore_hashint.c

@@ -1,7 +1,7 @@
 #include "ucore_hash.h"
 
 uint32_t 
-uc_hashint(uint32_t a)
+uc_hashuint(uint32_t a)
 {
     a = (a ^ 61) ^ (a >> 16);
     a = a + (a << 3);

src/ucore_saxhash.c

@@ -1,7 +1,7 @@
 #include "ucore_hash.h"
 
 uint32_t
-sax_hash(void *key, size_t len)
+uc_sax_hash(void *key, size_t len)
 {
    unsigned char *p = key;
    unsigned h = 0;

src/ucore_sdmhash.c

@@ -1,5 +1,5 @@
 unsigned long
-sdbmhash(const unsigned char  *str)
+uc_sdbmhash(const unsigned char  *str)
 {
 	unsigned long   hash = 0;
 	unsigned int           c;