Haiku: getExecutablePath support

Author: extrowerk

libs/common/src/getExecutablePath.cpp

@@ -121,6 +121,22 @@ std::string getExecutablePath()
     return ec ? "" : p.make_preferred().string();
 }
 
+#elif(BOOST_OS_HAIKU)
+std::string getExecutablePath()
+{
+	std::string ret;
+	int32 cookie = 0;
+	image_info info;
+	while (get_next_image_info(B_CURRENT_TEAM, &cookie, &info) == B_OK)
+	{
+		if (info.type == B_APP_IMAGE)
+		{
+			ret = info.name;
+		}
+	}
+    return ret;
+}
+
 #else
 
 #    error Unsupported plattform!