dlls: Remove unreachable break after return/break. Found by Smatch.

dlls/comctl32/ipaddress.c

@@ -546,7 +546,6 @@ IPADDRESS_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 
 	case WM_ENABLE:
 	    return IPADDRESS_Enable (infoPtr, (BOOL)wParam);
-	    break;
 
 	case WM_PAINT:
 	    return IPADDRESS_Paint (infoPtr, (HDC)wParam);

dlls/msi/cond.y

@@ -597,7 +597,6 @@ static int COND_GetOne( struct cond_str *str, COND_input *cond )
     case '%': rc = COND_PERCENT; break;
     case ' ': rc = COND_SPACE; break;
     case '=': rc = COND_EQ; break;
-        break;
 
     case '~':
     case '<':

dlls/sane.ds/ui.c

@@ -982,7 +982,6 @@ static INT_PTR CALLBACK DialogProc(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM
             return InitializeDialog(hwndDlg);
         case WM_HSCROLL:
             return ProcessScroll(hwndDlg, wParam, lParam);
-            break;
         case WM_NOTIFY:
             {
                 LPPSHNOTIFY psn = (LPPSHNOTIFY)lParam;

dlls/user32/tests/win.c

@@ -3326,7 +3326,6 @@ static LRESULT WINAPI redraw_window_procA(HWND hwnd, UINT msg, WPARAM wparam, LP
             return 1;
         }
         return 0;
-        break;
     }
     return DefWindowProc(hwnd, msg, wparam, lparam);
 }

dlls/winex11.drv/init.c

@@ -431,7 +431,6 @@ INT X11DRV_ExtEscape( X11DRV_PDEVICE *physDev, INT escape, INT in_count, LPCVOID
                     return TRUE;
                 }
                 return FALSE;
-                break;
             }
         }
         break;