build: Use AC_CANONICAL_HOST
build: Use AC_CANONICAL_HOST

Since we check for the contents of the $host variable to detect
compilation on/for win32, we should also be using the canonicalization
facilities from autoconf.

frida/json-glib,Distrotech/json-glib,frida/json-glib,brauliobo/json-glib,brauliobo/json-glib,oerdnj/json-glib,GNOME/json-glib,brauliobo/json-glib,ebassi/json-glib,ebassi/json-glib,GNOME/json-glib,oerdnj/json-glib,oerdnj/json-glib,Distrotech/json-glib,oerdnj/json-glib,Distrotech/json-glib,ebassi/json-glib