check to ensure this hasn't been created.

Signed-off-by: Matt Bruce <matt.bruce@verizon.com>

MVMCoreUI/Legacy/Views/MFLoadingSpinner.m

@@ -42,6 +42,7 @@
 }
 
 -(void) setup {
+    if (self.loader) { return; }
     self.loader = [[VDSLoader alloc] init];
     [self addSubview: self.loader];
     [NSLayoutConstraint pinViewToSuperview:self.loader useMargins:false];