[libgda/LIBGDA_5.2] GdaVconnectionDataModel: fix warning to use GRecMutex instead

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 4ab68b0c9e7b75e53f2961dbe925a4be91b97cfb
Author: Daniel Espinosa <esodan gmail com>
Date:   Wed Oct 9 19:11:25 2019 -0500

    GdaVconnectionDataModel: fix warning to use GRecMutex instead

 libgda/sqlite/virtual/gda-vconnection-data-model-private.h | 2 +-
 tools/Makefile.am                                          | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/libgda/sqlite/virtual/gda-vconnection-data-model-private.h 
b/libgda/sqlite/virtual/gda-vconnection-data-model-private.h
index 8d6ec27cf..562a9a281 100644
--- a/libgda/sqlite/virtual/gda-vconnection-data-model-private.h
+++ b/libgda/sqlite/virtual/gda-vconnection-data-model-private.h
@@ -46,7 +46,7 @@ struct VContext{
 
 struct ExecContext {
        VContext   *current_vcontext;
-       GMutex     *mutex;
+       GRecMutex  *mutex;
        GHashTable *hash; /* key = a GObject, value = a VContext where @context_object == key */
 };
 
diff --git a/tools/Makefile.am b/tools/Makefile.am
index 271231682..39314fe80 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -6,7 +6,11 @@ if LDAP
 ldap_flags=-DHAVE_LDAP
 endif
 
-SUBDIRS = cmdtool $(BROWSER_DIR) help
+SUBDIRS = cmdtool $(BROWSER_DIR)
+
+if HAVE_GDU
+SUBDIRS += help
+endif
 
 bin_PROGRAMS = \
        gda-list-config-5.0 \