[PATCH] Fix crash exporting a multi-part document at the command-line

[Abdelrazak Younes]

This patch revert part of the code changed in revision 18825. This is 
needed because there is no lyx_view_ when exporting at the command-line.

OK?
Abdel.

Index: InsetInclude.cpp
===================================================================
--- InsetInclude.cpp    (revision 19003)
+++ InsetInclude.cpp    (working copy)
@@ -404,9 +404,19 @@
                // the readonly flag can/will be wrong, not anymore I think.
                if (!fs::exists(included_file.toFilesystemEncoding()))
                        return false;
-               lyx::dispatch(FuncRequest(LFUN_BUFFER_CHILD_OPEN,
-                       included_file.absFilename() + "|true"));
-               buf = theBufferList().getBuffer(included_file.absFilename());
+               if (use_gui) {
+                       lyx::dispatch(FuncRequest(LFUN_BUFFER_CHILD_OPEN,
+                               included_file.absFilename() + "|true"));
+                       buf = 
theBufferList().getBuffer(included_file.absFilename());
+               }
+               else {
+                       buf = 
theBufferList().newBuffer(included_file.absFilename());
+                       if (!loadLyXFile(buf, included_file)) {
+                               //close the buffer we just opened
+                               theBufferList().close(buf, false);
+                               return false;
+                       }
+               }
                return buf;
        }
        buf->setParentName(parentFilename(buffer));