Update btQuickprof.cpp

src/LinearMath/btQuickprof.cpp

@@ -237,6 +237,14 @@ unsigned long int btClock::getTimeMicroseconds()
 
 
 
+/// Returns the time in s since the last call to reset or since 
+/// the Clock was created.
+inline btScalar btClock::getTimeSeconds()
+{
+	static const btScalar microseconds_to_seconds = btScalar(0.000001);
+	return btScalar(getTimeMicroseconds()) * microseconds_to_seconds;
+}
+
 
 
 inline void Profile_Get_Ticks(unsigned long int * ticks)