Bug 540379 - Switch file in use check to mozsqlite3.dll, r=rs

browser/installer/windows/nsis/shared.nsh

@@ -538,7 +538,7 @@
   Push "nssckbi.dll"
   Push "nspr4.dll"
   Push "nssdbm3.dll"
-  Push "sqlite3.dll"
+  Push "mozsqlite3.dll"
   Push "xpcom.dll"
   Push "crashreporter.exe"
   Push "updater.exe"