Bug 843770. r=rstrong

toolkit/mozapps/update/updater/loaddlls.cpp

@@ -12,6 +12,10 @@ struct AutoLoadSystemDependencies
 {
   AutoLoadSystemDependencies()
   {
+    // Remove the current directory from the search path for dynamically loaded
+    // DLLs as a precaution.  This call has no effect for delay load DLLs.
+    SetDllDirectory(L"");
+
     static LPCWSTR delayDLLs[] = { L"wsock32.dll", L"crypt32.dll",
                                    L"cryptsp.dll", L"cryptbase.dll",
                                    L"msasn1.dll", L"userenv.dll",