gprofng: Use $(DESTDIR) in install-examples

Use $(DESTDIR) in install-examples to fix

mkdir -p -- /usr/share/doc//gprofng
mkdir: cannot create directory ‘/usr/share/doc//gprofng’: Permission denied

for "make install DESTDIR=...".

	* doc/Makefile.am (install-examples): Use $(DESTDIR).
	* doc/Makefile.in: Regenerated.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>

gprofng/doc/Makefile.am

diff --git a/gprofng/doc/Makefile.am b/gprofng/doc/Makefile.am
index fcd0796..83e6006 100644
--- a/gprofng/doc/Makefile.am
+++ b/gprofng/doc/Makefile.am
@@ -64,8 +64,7 @@
 	$(AM_V_at)( tar czf $@ $(srcdir)/../examples )
 
 install-examples:  examples.tar.gz
-	$(mkinstalldirs) $(docdir)/gprofng
-	$(INSTALL_DATA) examples.tar.gz $(docdir)/gprofng
+	$(mkinstalldirs) $(DESTDIR)$(docdir)/gprofng
+	$(INSTALL_DATA) examples.tar.gz $(DESTDIR)$(docdir)/gprofng
 
 install-am: install-examples
-

gprofng/doc/Makefile.in

diff --git a/gprofng/doc/Makefile.in b/gprofng/doc/Makefile.in
index 3e62543..98aa105 100644
--- a/gprofng/doc/Makefile.in
+++ b/gprofng/doc/Makefile.in
@@ -894,8 +894,8 @@
 	$(AM_V_at)( tar czf $@ $(srcdir)/../examples )
 
 install-examples:  examples.tar.gz
-	$(mkinstalldirs) $(docdir)/gprofng
-	$(INSTALL_DATA) examples.tar.gz $(docdir)/gprofng
+	$(mkinstalldirs) $(DESTDIR)$(docdir)/gprofng
+	$(INSTALL_DATA) examples.tar.gz $(DESTDIR)$(docdir)/gprofng
 
 install-am: install-examples