Fixes a toolbar issue

Author: hackiftekhar

IQKeyboardManager Framework/KeyboardManager.framework/Versions/A/KeyboardManager

@@ -70,8 +70,13 @@ -(CGSize)sizeThatFits:(CGSize)size
 {
     CGSize sizeThatFit = [super sizeThatFits:size];
 
-    //Issue #52 fix
-    sizeThatFit.width = [[[self viewController] view] width];
+    UIView *view = [[self viewController] view];
+    
+    if (view)
+    {
+        //Issue #52 fix
+        sizeThatFit.width = [[[self viewController] view] width];
+    }
 
     return sizeThatFit;
 }