Merge pull request #537 from paulb777/patch-2

Fix Xcode 15.3 build error on Intel Macs
diff --git a/Source/OCMock/NSObject+OCMAdditions.m b/Source/OCMock/NSObject+OCMAdditions.m
index cf4674e..f97ecbd 100644
--- a/Source/OCMock/NSObject+OCMAdditions.m
+++ b/Source/OCMock/NSObject+OCMAdditions.m
@@ -46,7 +46,7 @@
     }
 
     if(needsStructureReturn)
-      return _objc_msgForward_stret;
+      return (IMP)_objc_msgForward_stret;
 #endif
 
   return _objc_msgForward;