Fix single component selection for "oFog" output in vertex shaders if…

… instruction is "mad" instead of "mov"

Fixes #81

source/d3d8to9_device.cpp

@@ -1411,7 +1411,7 @@ HRESULT STDMETHODCALLTYPE Direct3DDevice8::CreateVertexShader(const DWORD *pDecl
 		SourceCode = std::regex_replace(SourceCode, std::regex("(oFog|oPts)\\.x"), "$1 /* removed swizzle */");
 		SourceCode = std::regex_replace(SourceCode, std::regex("(add|sub|mul|min|max) (oFog|oPts), ([cr][0-9]+), (.+)\\n"), "$1 $2, $3.x /* added swizzle */, $4\n");
 		SourceCode = std::regex_replace(SourceCode, std::regex("(add|sub|mul|min|max) (oFog|oPts), (.+), ([cr][0-9]+)\\n"), "$1 $2, $3, $4.x /* added swizzle */\n");
-		SourceCode = std::regex_replace(SourceCode, std::regex("mov (oFog|oPts)(.*), (-?)([crv][0-9]+(?![\\.0-9]))"), "mov $1$2, $3$4.x /* select single component */");
+		SourceCode = std::regex_replace(SourceCode, std::regex("(mov|mad) (oFog|oPts)(.*), (-?)([crv][0-9]+(?![\\.0-9]))"), "$1 $2$3, $4$5.x /* select single component */");
 
 		// Destination register cannot be the same as first source register for m*x* instructions.
 		if (std::regex_search(SourceCode, std::regex("m.x.")))