Fix typo in RCTSurfaceHostingView

Summary:
Fix typo in RCTSurfaceHostingView (minumumSize -> minimumSize)
Closes facebook#17235

Differential Revision: D6585719

Pulled By: hramos

fbshipit-source-id: bfb18015f48bc8ab161945d09125c27d29738ede

Author: maicki

React/Base/Surface/SurfaceHostingView/RCTSurfaceHostingView.mm

@@ -84,26 +84,26 @@ - (CGSize)sizeThatFits:(CGSize)size
     return CGSizeZero;
   }
 
-  CGSize minumumSize = CGSizeZero;
+  CGSize minimumSize = CGSizeZero;
   CGSize maximumSize = CGSizeMake(INFINITY, INFINITY);
 
   if (_sizeMeasureMode & RCTSurfaceSizeMeasureModeWidthExact) {
-    minumumSize.width = size.width;
+    minimumSize.width = size.width;
     maximumSize.width = size.width;
   }
   else if (_sizeMeasureMode & RCTSurfaceSizeMeasureModeWidthAtMost) {
     maximumSize.width = size.width;
   }
 
   if (_sizeMeasureMode & RCTSurfaceSizeMeasureModeHeightExact) {
-    minumumSize.height = size.height;
+    minimumSize.height = size.height;
     maximumSize.height = size.height;
   }
   else if (_sizeMeasureMode & RCTSurfaceSizeMeasureModeHeightAtMost) {
     maximumSize.height = size.height;
   }
 
-  return [_surface sizeThatFitsMinimumSize:minumumSize
+  return [_surface sizeThatFitsMinimumSize:minimumSize
                                maximumSize:maximumSize];
 }