applied gif->png patch from Stefan Schwandter

git-svn-id: svn+ssh://jackaudio.org/trunk/jack@213 0c269be4-1314-0410-8aa9-9f06e86f4224

doc/Makefile.am

@@ -29,7 +29,7 @@ install-data-local:
 	if test "$$installfiles" = 'reference/html/*.html'; \
 	then echo '-- Nothing to install' ; \
 	else \
-	  for i in $$installfiles reference/html/doxygen.gif reference/html/doxygen.css; do \
+	  for i in $$installfiles reference/html/doxygen.png reference/html/doxygen.css; do \
 	    echo '-- Installing '$$i ; \
 	    $(INSTALL_DATA) $$i $(DOC_DIR)/reference/html; \
 	  done; \
@@ -41,7 +41,7 @@ uninstall-local: doxygen-build.stamp
 	if test "$$installfiles" = 'reference/html/*.html'; \
 	then echo '-- Nothing to uninstall' ; \
 	else \
-	  for i in $$installfiles reference/html/doxygen.gif reference/html/doxygen.css; do \
+	  for i in $$installfiles reference/html/doxygen.png reference/html/doxygen.css; do \
 	    echo '-- Unstalling '$$i ; \
 	    rm $(DOC_DIR)/$$i; \
 	  done; \
@@ -51,6 +51,6 @@ dist-hook: dist-hook-local
 	mkdir $(distdir)/reference
 	mkdir $(distdir)/reference/html
 	-cp reference/html/*.html reference/html/*.css \
-	    reference/html/*.gif  $(distdir)/reference/html
+	    reference/html/*.png  $(distdir)/reference/html
 
 .PHONY : dist-hook-local

doc/reference.doxygen.in

@@ -836,7 +836,7 @@ GRAPHICAL_HIERARCHY    = YES
 # generated by dot. Possible values are gif, jpg, and png
 # If left blank gif will be used.
 
-DOT_IMAGE_FORMAT       = gif
+DOT_IMAGE_FORMAT       = png
 
 # The tag DOT_PATH can be used to specify the path where the dot tool can be 
 # found. If left blank, it is assumed the dot tool can be found on the path.