master: fixed issue-678 where views were Card contentView was incorrectly displaying views

Material.podspec

 Pod::Spec.new do |s|
   s.name = 'Material'
-  s.version = '2.4.15'
+  s.version = '2.4.16'
   s.license = 'BSD-3-Clause'
   s.summary = 'An animation and graphics framework for Material Design in Swift.'
   s.homepage = 'http://materialswift.com'

Sources/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.4.15</string>
+	<string>2.4.16</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>

Sources/iOS/Card.swift

@@ -233,9 +233,8 @@ open class Card: PulseView {
         let w = container.width - insets.left - insets.right
         var h = view.height
         
-        (view as? UILabel)?.sizeToFit()
-        
-        if 0 == h {
+        if 0 == h || nil != view as? UILabel {
+            (view as? UILabel)?.sizeToFit()
             h = view.sizeThatFits(CGSize(width: w, height: CGFloat.greatestFiniteMagnitude)).height
         }