Fix for isspace

dlls/engine/CString.h

@@ -71,7 +71,7 @@ public:
 
 	void append(const char *t)
 	{
-		Grow(cSize + strlen(t));
+		Grow(cSize + strlen(t) + 1);
 		strcat(v, t);
 		cSize = strlen(v);
 	}
@@ -187,7 +187,7 @@ public:
 	{
 		if (c == '\f' || c == '\n' ||
 			c == '\t' || c == '\r' ||
-			c == 'v' || c == ' ')
+			c == '\v' || c == ' ')
 		{
 			return true;
 		}