tiff: update install defines

- Use $(INSTALL_DATA) for headers (and really copy only the headers).
- Install _all_ symlinks.

Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>

libs/tiff/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=tiff
 PKG_VERSION:=4.0.9
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://download.osgeo.org/libtiff
@@ -83,17 +83,17 @@ endef
 define Build/InstallDev
 	$(INSTALL_DIR) $(1)/usr/{lib,include}
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/lib* $(1)/usr/lib/
-	$(CP) $(PKG_INSTALL_DIR)/usr/include/* $(1)/usr/include/
+	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/include/*.h $(1)/usr/include/
 endef
 
 define Package/libtiff/install
 	$(INSTALL_DIR) $(1)/usr/lib
-	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libtiff.so.* $(1)/usr/lib/
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libtiff.so* $(1)/usr/lib/
 endef
 
 define Package/libtiffxx/install
 	$(INSTALL_DIR) $(1)/usr/lib
-	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libtiffxx.so.* $(1)/usr/lib/
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libtiffxx.so* $(1)/usr/lib/
 endef
 
 define Package/tiff-utils/install