fix size_t printing

This two problem were found by the new version of the size_t cocci
test.

src/source-mpipe.c

@@ -554,7 +554,7 @@ static TmEcode ReceiveMpipeAllocatePacketBuffers(void)
     }
     assert(packet_page);
     void* packet_mem = packet_page;
-    SCLogInfo("DEBUG: tile_vhuge_size %lu", tile_vhuge_size);
+    SCLogInfo("DEBUG: tile_vhuge_size %"PRIuMAX, (uintmax_t)tile_vhuge_size);
     /* Allocate one Huge page just to store buffer stacks, since they are 
      *  only ever accessed by mPipe.
      */

src/util-pool-thread.c

@@ -96,7 +96,7 @@ int PoolThreadGrow(PoolThread *pt, uint32_t size, uint32_t prealloc_size, uint32
     }
 
     newsize = pt->size + 1;
-    SCLogDebug("newsize %lu", newsize);
+    SCLogDebug("newsize %"PRIuMAX, (uintmax_t)newsize);
 
     ptmp = SCRealloc(pt->array, (newsize * sizeof(PoolThreadElement)));
     if (ptmp == NULL) {