enable html-help for Linux, Windows and Mac distro-configs

Change-Id: I731e9bcae221d72286f13d5ab8a117e1f1f92052

distro-configs/LibreOfficeLinux.conf

@@ -9,7 +9,7 @@
 --without-system-jars
 --without-system-postgresql
 --without-junit
---with-help
+--with-help=html
 --without-helppack-integration
 --with-linker-hash-style=both
 --with-fonts

distro-configs/LibreOfficeMacOSX.conf

@@ -6,6 +6,6 @@
 --enable-online-update
 --without-system-postgresql
 --disable-gtk
---with-help
+--with-help=html
 --with-myspell-dicts
 --with-package-format=dmg

distro-configs/LibreOfficeWin32.conf

@@ -7,7 +7,7 @@
 --enable-ext-nlpsolver
 --enable-online-update
 --enable-breakpad
---with-help
+--with-help=html
 --with-myspell-dicts
 --with-package-format=msi
 --enable-mergelibs

distro-configs/LibreOfficeWin64.conf

@@ -8,7 +8,7 @@
 --enable-ext-nlpsolver
 --enable-online-update
 --enable-breakpad
---with-help
+--with-help=html
 --with-myspell-dicts
 --with-package-format=msi
 --enable-mergelibs