[ci] fix gdal apt package ssl conflict

fix another dependency conflict with GnuTLS/OpenSSL ...

force install libgdal1h to replace:
libcurl4-openssl-dev by libcurl3-gnutls + libcurl4-gnutls-dev
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=759214

all those pkg should depend on |libcurl-dev !