8000206: Uninitialized variable in PlainDatagramSocketImpl.c

Reviewed-by: dsamersoff, khazra, chegar
Contributed-by: NJohn Zavgren <john.zavgren@oracle.com>

src/solaris/native/java/net/PlainDatagramSocketImpl.c

@@ -1318,10 +1318,8 @@ Java_java_net_PlainDatagramSocketImpl_socketSetOption(JNIEnv *env,
                                                       jobject value) {
     int fd;
     int level, optname, optlen;
-    union {
-        int i;
-        char c;
-    } optval;
+    int optval;
+    optlen = sizeof(int);
 
     /*
      * Check that socket hasn't been closed
@@ -1381,8 +1379,7 @@ Java_java_net_PlainDatagramSocketImpl_socketSetOption(JNIEnv *env,
                 fid =  (*env)->GetFieldID(env, cls, "value", "I");
                 CHECK_NULL(fid);
 
-                optval.i = (*env)->GetIntField(env, value, fid);
-                optlen = sizeof(optval.i);
+                optval = (*env)->GetIntField(env, value, fid);
                 break;
             }
 
@@ -1401,8 +1398,7 @@ Java_java_net_PlainDatagramSocketImpl_socketSetOption(JNIEnv *env,
                 on = (*env)->GetBooleanField(env, value, fid);
 
                 /* SO_REUSEADDR or SO_BROADCAST */
-                optval.i = (on ? 1 : 0);
-                optlen = sizeof(optval.i);
+                optval = (on ? 1 : 0);
 
                 break;
             }