Index: src/btreeInt.h
==================================================================
--- src/btreeInt.h
+++ src/btreeInt.h
@@ -692,10 +692,10 @@
 */
 #if SQLITE_BYTEORDER==4321
 # define get2byteAligned(x)  (*(u16*)(x))
 #elif SQLITE_BYTEORDER==1234 && GCC_VERSION>=4008000
 # define get2byteAligned(x)  __builtin_bswap16(*(u16*)(x))
-#elif SQLITE_BYTEORDER==1234 && MSCV_VERSION>=1300
+#elif SQLITE_BYTEORDER==1234 && MSVC_VERSION>=1300
 # define get2byteAligned(x)  _byteswap_ushort(*(u16*)(x))
 #else
 # define get2byteAligned(x)  ((x)[0]<<8 | (x)[1])
 #endif

Index: src/mutex_w32.c
==================================================================
--- src/mutex_w32.c
+++ src/mutex_w32.c
@@ -85,11 +85,11 @@
 void sqlite3MemoryBarrier(void){
 #if defined(SQLITE_MEMORY_BARRIER)
   SQLITE_MEMORY_BARRIER;
 #elif defined(__GNUC__)
   __sync_synchronize();
-#elif MSCV_VERSION>=1300
+#elif MSVC_VERSION>=1300
   _ReadWriteBarrier();
 #elif defined(MemoryBarrier)
   MemoryBarrier();
 #endif
 }