Bug 811333 Signaling - Fix size of thread ID for Windows build r=jesup

media/webrtc/signaling/src/sipcc/cpr/darwin/cpr_darwin_ipc.h

@@ -18,13 +18,6 @@
 #define PHONE_IPC_MSG 1
 
 
-/* Message buffer layout */
-struct msgbuffer {
-    int32_t mtype;    /* Message type */
-    void   *msgPtr;   /* Ptr to msg */
-    void   *usrPtr;   /* Ptr to user data */
-};
-
 /* For gathering statistics regarding message queues */
 typedef struct {
     char name[16];

media/webrtc/signaling/src/sipcc/cpr/include/cpr_threads.h

@@ -27,7 +27,7 @@ typedef void *cprThread_t;
  */
 typedef struct {
     const char *name;
-    uint16_t threadId;
+    uint32_t threadId;
     union {
         void *handlePtr;
         uint64_t handleInt;