iwlwifi: bug fix in AGG flow - cast const to ULL

This patch fixes a bug in AGG flow:
u64 bitmap = 0;
bitmap |= 1 << 32 results to be 0xffffffff80000000.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index c0ba28f..f356f4f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -2130,9 +2130,9 @@
 				bitmap = bitmap << sh;
 				sh = 0;
 			}
-			bitmap |= (1 << sh);
-			IWL_DEBUG_TX_REPLY("start=%d bitmap=0x%x\n",
-					   start, (u32)(bitmap & 0xFFFFFFFF));
+			bitmap |= 1ULL << sh;
+			IWL_DEBUG_TX_REPLY("start=%d bitmap=0x%llx\n",
+					   start, (unsigned long long)bitmap);
 		}
 
 		agg->bitmap = bitmap;