Fix Linux compile issue : make templated type casting explicit (2)

indra/llmath/llcoord.h

@@ -45,7 +45,7 @@ class LLCoord : protected COORD_FRAME
 
 	LLCoord():	mX(0), mY(0)
 	{}
-	LLCoord(S32 x, S32 y): mX((typename COORD_FRAME::value_t)(x)), mY((typename COORD_FRAME::value_t)(y))
+	LLCoord(typename COORD_FRAME::value_t x, typename COORD_FRAME::value_t y): mX(x), mY(y)
 	{}
 
 	LLCoord(const LLCoordCommon& other)
@@ -58,7 +58,7 @@ class LLCoord : protected COORD_FRAME
 		return COORD_FRAME::convertToCommon();
 	}
 
-	void set(S32 x, S32 y) { mX = x; mY = y;}
+	void set(typename COORD_FRAME::value_t x, typename COORD_FRAME::value_t y) { mX = x; mY = y;}
 	bool operator==(const self_t& other) const { return mX == other.mX && mY == other.mY; }
 	bool operator!=(const self_t& other) const { return !(*this == other); }