Bug 957258 - Block sprotector.dll on all versions of Windows. r=bsmedberg

mozglue/build/WindowsDllBlocklist.cpp

@@ -107,7 +107,8 @@ static DllBlockInfo sWindowsDllBlocklist[] = {
   // Topcrash with Babylon Toolbar on FF16+ (bug 721264)
   {"babyfox.dll", ALL_VERSIONS},
 
-  {"sprotector.dll", ALL_VERSIONS, DllBlockInfo::BLOCK_WIN8PLUS_ONLY },
+  // sprotector.dll crashes, bug 957258
+  {"sprotector.dll", ALL_VERSIONS},
 
   // Topcrash with Websense Endpoint, bug 828184
   {"qipcap.dll", MAKE_VERSION(7, 6, 815, 1)},