Include {xrdp,sesman}.ini.in instead of substituted .ini in tarball

These config files are intended to be substituted during the build
process. The substituted .ini files should not be included in release
tarballs.

Fixes:  #3187
(cherry picked from commit 19bacc6e49)

sesman/Makefile.am

@@ -27,6 +27,7 @@ xrdp_sesman_SOURCES = \
   scp_process.h \
   sesman.c \
   sesman.h \
+  sesman.ini.in \
   sesexec_control.c \
   sesexec_control.h \
   session_list.c \
@@ -52,7 +53,7 @@ SUFFIXES = .in
 .in:
 	$(subst_verbose)$(SUBST_VARS) $< > $@
 
-dist_sesmansysconf_DATA = \
+nodist_sesmansysconf_DATA = \
   sesman.ini
 
 dist_sesmansysconf_SCRIPTS = \
@@ -64,3 +65,5 @@ SUBDIRS = \
   sesexec \
   tools \
   chansrv
+
+CLEANFILES = $(nodist_sesmansysconf_DATA)

xrdp/Makefile.am

@@ -53,6 +53,7 @@ xrdp_SOURCES = \
   lang.c \
   xrdp.c \
   xrdp.h \
+  xrdp.ini.in \
   xrdp_bitmap.c \
   xrdp_bitmap_load.c \
   xrdp_bitmap_common.c \
@@ -102,9 +103,11 @@ SUFFIXES = .in
 	$(subst_verbose)$(SUBST_VARS) $< > $@
 
 dist_xrdpsysconf_DATA = \
-  xrdp.ini \
   xrdp_keyboard.ini
 
+nodist_xrdpsysconf_DATA = \
+  xrdp.ini
+
 xrdppkgdatadir=$(datadir)/xrdp
 
 dist_xrdppkgdata_DATA = \
@@ -119,3 +122,5 @@ dist_xrdppkgdata_DATA = \
   sans-18.fv1 \
   cursor0.cur \
   cursor1.cur
+
+CLEANFILES = $(nodist_xrdpsysconf_DATA)