Small fixes from Coverity Scan

Source/SettingsPublish.cpp

@@ -543,7 +543,7 @@ INT_PTR SettingsPublish::ProcMessage(UINT message, WPARAM wParam, LPARAM lParam)
                 data.mode = mode;
 
                 //--------------------------------------------
-                services.empty();
+                services.clear();
 
                 hwndTemp = GetDlgItem(hwnd, IDC_SERVICE);
                 int itemId = (int)SendMessage(hwndTemp, CB_ADDSTRING, 0, (LPARAM)TEXT("Custom"));

Source/Updater.cpp

@@ -199,7 +199,7 @@ BOOL VerifyDigitalSignature(BYTE *buff, DWORD len, BYTE *signature, DWORD signat
     DWORD iPBLOBSize;
 
     // RSA BLOB info from X509 public key
-    PUBLICKEYHEADER *rsaPublicBLOB;
+    PUBLICKEYHEADER *rsaPublicBLOB = NULL;
     DWORD rsaPublicBLOBSize;
 
     // Handle to public key