[El] MapServer 5.6.6 package depends on php-gd

[Mathieu Baudier]

> %if "%{?dist}" == ".el5" || "%{?dist}" == ".el5.elgis"
>
> be acceptable? Elsewise rebuilding the package would be very hard for anybody, who does not want to set %dist to .el5.elgis.
> Or should we check that the distribution looks like ".el5" or ".el5.*", so that I could set, let's say, %dist .el5.r3gis ?

If it works, I have personally nothing against it...