/lib64/libcurl.so.4 no version information available Gentoo linux

[alfnot]

when i start Audiogridder , i always geht the error "/lib64/libcurl.so.4 no version information available"
i installed the Audiogridder Server with the Linux install script.
How can i solve this Error ?
Thanks

[alfnot]

Here some more Informations:

AudioGridderServer: /usr/lib64/libcurl.so.4: no version information available (required by AudioGridderServer)

/usr/lib64 $ ls -l libcurl.so*
lrwxrwxrwx 1 root root 16 14. Jan 10:30 libcurl.so -> libcurl.so.4.8.0
lrwxrwxrwx 1 root root 16 14. Jan 10:30 libcurl.so.4 -> libcurl.so.4.8.0
-rwxr-xr-x 1 root root 670352 14. Jan 10:30 libcurl.so.4.8.0