Use $HOME variable if it exists

Signed-off-by: Ismail Dönmez <ismail@i10z.com>

src/libgourou.cpp

@@ -859,6 +859,12 @@ namespace gourou
     std::string DRMProcessor::getDefaultAdeptDir(void)
     {
 #ifndef DEFAULT_ADEPT_DIR
+    const char* home = getenv("HOME");
+    
+    if (home)
+        return home + std::string("/.config/adept/");
+    else
+    {
 	    const char* user = getenv("USER");
 	
 	    if (user && user[0])
@@ -867,6 +873,7 @@ namespace gourou
 	    }
 	    else
 	        return LOCAL_ADEPT_DIR;
+    }
 #else
 	return DEFAULT_ADEPT_DIR "/";
 #endif