CStr: VC2005 fix - mustn't dereference end()

snd: Only open device once

This was SVN commit r2452.

source/lib/res/snd.cpp

@@ -220,9 +220,10 @@ static int alc_init()
 	{
 		debug_assert(!"hit me");
 	}
+#else
+	alc_dev = alcOpenDevice((ALubyte*)alc_dev_name);
 #endif
 
-	alc_dev = alcOpenDevice((ALubyte*)alc_dev_name);
 	if(alc_dev)
 	{
 		alc_ctx = alcCreateContext(alc_dev, 0);	// no attrlist needed

source/ps/CStr.cpp

@@ -94,7 +94,7 @@ CStrW CStr8::FromUTF8() const
 	CStrW result;
 
 	const unsigned char* source = (const unsigned char*)&*begin();
-	const unsigned char* sourceEnd = (const unsigned char*)&*end();
+	const unsigned char* sourceEnd = source + length();
 	while (source < sourceEnd)
 	{
 		wchar_t ch = 0;