Move atomicExchange under PERF_PROFILE

Change-Id: Id5ae40d4b072c57cac1a8e6e7767d3ca03deebe1
Reviewed-on: https://swiftshader-review.googlesource.com/20477
Tested-by: Logan Chien <loganchien@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>

src/Common/Thread.hpp

diff --git a/src/Common/Thread.hpp b/src/Common/Thread.hpp
index b273e5b..14ccfd5 100644
--- a/src/Common/Thread.hpp
+++ b/src/Common/Thread.hpp
@@ -114,9 +114,9 @@
 
 	#if PERF_PROFILE
 	int64_t atomicExchange(int64_t volatile *target, int64_t value);
+	int atomicExchange(int volatile *target, int value);
 	#endif
 
-	int atomicExchange(int volatile *target, int value);
 	int atomicIncrement(int volatile *value);
 	int atomicDecrement(int volatile *value);
 	int atomicAdd(int volatile *target, int value);
@@ -245,7 +245,6 @@
 			return ret;
 		#endif
 	}
-	#endif
 
 	inline int atomicExchange(volatile int *target, int value)
 	{
@@ -257,6 +256,7 @@
 			return ret;
 		#endif
 	}
+	#endif
 
 	inline int atomicIncrement(volatile int *value)
 	{