This patch does two things: (1) use the right name for `docbook2texi',
and (2) make sure `gitman.info' isn't produced since it's broken (duplicate
node names).

diff --git a/Documentation/Makefile b/Documentation/Makefile
index 26a2342bea..ceccd67ebb 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -132,7 +132,7 @@ HTML_REPO = ../../git-htmldocs
 
 MAKEINFO = makeinfo
 INSTALL_INFO = install-info
-DOCBOOK2X_TEXI = docbook2x-texi
+DOCBOOK2X_TEXI = docbook2texi
 DBLATEX = dblatex
 ASCIIDOC_DBLATEX_DIR = /etc/asciidoc/dblatex
 DBLATEX_COMMON = -p $(ASCIIDOC_DBLATEX_DIR)/asciidoc-dblatex.xsl -s $(ASCIIDOC_DBLATEX_DIR)/asciidoc-dblatex.sty
@@ -250,7 +250,7 @@ man1: $(DOC_MAN1)
 man5: $(DOC_MAN5)
 man7: $(DOC_MAN7)
 
-info: git.info gitman.info
+info: git.info
 
 pdf: user-manual.pdf
 
@@ -266,10 +266,9 @@ install-man: man
 
 install-info: info
 	$(INSTALL) -d -m 755 $(DESTDIR)$(infodir)
-	$(INSTALL) -m 644 git.info gitman.info $(DESTDIR)$(infodir)
+	$(INSTALL) -m 644 git.info $(DESTDIR)$(infodir)
 	if test -r $(DESTDIR)$(infodir)/dir; then \
 	  $(INSTALL_INFO) --info-dir=$(DESTDIR)$(infodir) git.info ;\
-	  $(INSTALL_INFO) --info-dir=$(DESTDIR)$(infodir) gitman.info ;\
 	else \
 	  echo "No directory found in $(DESTDIR)$(infodir)" >&2 ; \
 	fi