GUACAMOLE-1026: Correct and clean up FreeRDP presence/absence reporti…

…ng by configure.

Previously, the name of the library would change and there was no output
for the "disabled" case. Here, the library name remains constant while
version notes are included to the side, and the output of "disabled" is
restored.

configure.ac

@@ -731,7 +731,7 @@ fi
 #
 
 freerdp_version=
-have_freerdp=
+have_freerdp=disabled
 FREERDP_PLUGIN_DIR=
 
 AC_ARG_WITH([rdp],
@@ -752,7 +752,7 @@ OLDCPPFLAGS="$CPPFLAGS"
 
 if test "x$with_rdp" != "xno"
 then
-    freerdp_version=3
+    freerdp_version="(3.x)"
     have_freerdp=yes
     PKG_CHECK_MODULES([RDP], [freerdp3 freerdp-client3 winpr3],
                       [CPPFLAGS="${RDP_CFLAGS} -Werror $CPPFLAGS"]
@@ -768,7 +768,7 @@ fi
 
 if test "x$with_rdp" != "xno" -a "x${have_freerdp}" = "xno"
 then
-    freerdp_version=2
+    freerdp_version="(2.x)"
     have_freerdp=yes
     PKG_CHECK_MODULES([RDP], [freerdp2 freerdp-client2 winpr2],
                       [CPPFLAGS="${RDP_CFLAGS} -Werror $CPPFLAGS"]
@@ -1494,7 +1494,7 @@ $PACKAGE_NAME version $PACKAGE_VERSION
 
    Library status:
 
-     freerdp${freerdp_version} ............ ${have_freerdp}
+     freerdp ............. ${have_freerdp} ${freerdp_version}
      pango ............... ${have_pango}
      libavcodec .......... ${have_libavcodec}
      libavformat ......... ${have_libavformat}
@@ -1524,7 +1524,7 @@ $PACKAGE_NAME version $PACKAGE_VERSION
       guacenc .... ${build_guacenc}
       guaclog .... ${build_guaclog}
 
-   FreeRDP${freerdp_version} plugins: ${build_rdp_plugins}
+   FreeRDP plugins: ${build_rdp_plugins}
    Init scripts: ${build_init}
    Systemd units: ${build_systemd}