Fix types in contrib/minizip to match result of get_crc_table().

contrib/minizip/zip.c

@@ -157,7 +157,7 @@ typedef struct
     ZPOS64_T totalUncompressedData;
 #ifndef NOCRYPT
     unsigned long keys[3];     /* keys defining the pseudo-random sequence */
-    const unsigned long* pcrc_32_tab;
+    const z_crc_t* pcrc_32_tab;
     int crypt_header_size;
 #endif
 } curfile64_info;