Reactor: Fix createFCmpUNE (LLVM)

This was just calling the wrong function.
Looks like a copy and paste bug.

Change-Id: Icde43940f17f467f7602b7a2ce0e5ac1e517c769
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/26208
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Tested-by: Ben Clayton <bclayton@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>

src/Reactor/LLVMReactor.cpp

@@ -1450,7 +1450,7 @@ namespace rr
 
 	Value *Nucleus::createFCmpUNE(Value *lhs, Value *rhs)
 	{
-		return V(::builder->CreateFCmpULE(V(lhs), V(rhs)));
+		return V(::builder->CreateFCmpUNE(V(lhs), V(rhs)));
 	}
 
 	Value *Nucleus::createExtractElement(Value *vector, Type *type, int index)