[usb-moded] Require dbus-1 >= 1.8. Contributes to JB#51115

Require libdbus >= 1.8 as required by dbus-gmain and use
DBUS prefix during pkgconfig in autotools.

Signed-off-by: Björn Bidar <bjorn.bidar@jolla.com>

configure.ac

@@ -97,9 +97,9 @@ AC_ARG_ENABLE([ofono], AS_HELP_STRING([--enable-ofono], [Enable ofono DBUS inter
    esac],[ofono=false])
 AM_CONDITIONAL([OFONO], [test x$ofono = xtrue])
 
+PKG_CHECK_MODULES([DBUS], dbus-1 >= 1.8)
 PKG_CHECK_MODULES([USB_MODED], [
  glib-2.0 >= 2.24.0
- dbus-1 >= 1.2.1
  dbus-glib-1 >= 0.78
  gobject-2.0 >= 2.16.6
  gio-2.0

rpm/usb-moded.spec

@@ -7,7 +7,7 @@ URL:      https://git.merproject.org/mer-core/usb-moded
 Source0:  %{name}-%{version}.tar.bz2
 Source1:  usb_moded.conf
 
-BuildRequires: pkgconfig(dbus-1)
+BuildRequires: pkgconfig(dbus-1) >= 1.8
 BuildRequires: pkgconfig(dbus-glib-1)
 BuildRequires: pkgconfig(glib-2.0)
 BuildRequires: pkgconfig(libudev)