subsurface: disable parallel make

It was failing on Hydra:
http://hydra.nixos.org/build/48847277/nixlog/2/raw

+1 -1
+1 -1
pkgs/applications/misc/subsurface/default.nix
··· 86 ]; 87 nativeBuildInputs = [ cmake pkgconfig ]; 88 89 - enableParallelBuilding = true; 90 91 cmakeFlags = [ 92 "-DMARBLE_LIBRARIES=${libmarble}/lib/libssrfmarblewidget.so"
··· 86 ]; 87 nativeBuildInputs = [ cmake pkgconfig ]; 88 89 + enableParallelBuilding = false; # subsurfacewebservices.h dependency on ui_webservices.h 90 91 cmakeFlags = [ 92 "-DMARBLE_LIBRARIES=${libmarble}/lib/libssrfmarblewidget.so"