8005466: JAR file entry hash table uses too much memory (zlib_util.c)

Summary: realign the fields of jzcell struct
Reviewed-by: sherman
Contributed-by: ioi.lam@oracle.com

src/share/native/java/util/zip/zip_util.h

@@ -177,8 +177,8 @@ typedef struct jzentry {  /* Zip file entry */
  */
 typedef struct jzcell {
     unsigned int hash;    /* 32 bit hashcode on name */
-    jlong cenpos;         /* Offset of central directory file header */
     unsigned int next;    /* hash chain: index into jzfile->entries */
+    jlong cenpos;         /* Offset of central directory file header */
 } jzcell;
 
 typedef struct cencache {