--- a/nsprpub/TAG-INFO
+++ b/nsprpub/TAG-INFO
@@ -1,1 +1,1 @@
-NSPR_4_10_7_BETA1
+NSPR_4_10_7_BETA2

--- a/nsprpub/config/prdepend.h
+++ b/nsprpub/config/prdepend.h
@@ -5,8 +5,9 @@
 
 /*
  * A dummy header file that is a dependency for all the object files.
  * Used to force a full recompilation of NSPR in Mozilla's Tinderbox
  * depend builds.  See comments in rules.mk.
  */
 
 #error "Do not include this header file."
+

--- a/nsprpub/pr/include/pratom.h
+++ b/nsprpub/pr/include/pratom.h
@@ -76,20 +76,17 @@ NSPR_API(PRInt32)	PR_AtomicAdd(PRInt32 *
 **    where the PR_AtomicXXX functions are truly atomic (i.e., where the
 **    configuration macro _PR_HAVE_ATOMIC_OPS is defined).  Otherwise,
 **    the macros and functions won't be compatible and can't be used
 **    interchangeably.
 */
 #if defined(_WIN32) && !defined(_WIN32_WCE) && \
     (!defined(_MSC_VER) || (_MSC_VER >= 1310))
 
-long __cdecl _InterlockedIncrement(long volatile *Addend);
-long __cdecl _InterlockedDecrement(long volatile *Addend);
-long __cdecl _InterlockedExchange(long volatile *Target, long Value);
-long __cdecl _InterlockedExchangeAdd(long volatile *Addend, long Value);
+#include <intrin.h>
 
 #ifdef _MSC_VER
 #pragma intrinsic(_InterlockedIncrement)
 #pragma intrinsic(_InterlockedDecrement)
 #pragma intrinsic(_InterlockedExchange)
 #pragma intrinsic(_InterlockedExchangeAdd)
 #endif
 

--- a/nsprpub/pr/include/prbit.h
+++ b/nsprpub/pr/include/prbit.h
@@ -10,18 +10,17 @@
 PR_BEGIN_EXTERN_C
 
 /*
 ** Replace compare/jump/add/shift sequence with compiler built-in/intrinsic
 ** functions.
 */
 #if defined(_WIN32) && (_MSC_VER >= 1300) && \
     (defined(_M_IX86) || defined(_M_AMD64) || defined(_M_ARM))
-  unsigned char _BitScanForward(unsigned long * Index, unsigned long Mask);
-  unsigned char _BitScanReverse(unsigned long * Index, unsigned long Mask);
+# include <intrin.h>
 # pragma  intrinsic(_BitScanForward,_BitScanReverse)
   __forceinline static int __prBitScanForward32(unsigned int val)
   { 
     unsigned long idx;
     _BitScanForward(&idx, (unsigned long)val);
     return( (int)idx );
   }
   __forceinline static int __prBitScanReverse32(unsigned int val)