ugps: Update to fix position calculation

This is necessary to get my position right.
Without this my longitude is incorrecty -15.85xxxx instead of -16.52yyyy

Signed-off-by: Bruno Randolf <[email protected]>

package/utils/ugps/Makefile

@@ -12,9 +12,9 @@ PKG_RELEASE:=3
 
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/ugps.git
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_DATE:=2017-02-11
-PKG_SOURCE_VERSION:=c30055a685bca1e81ccc8f4bd3bb08d780a7d762
-PKG_MIRROR_HASH:=a618f9a15d3a585453550190eed2bb0a308ddba0ab37f2f6b76dd3c87fd80e8b
+PKG_SOURCE_DATE:=2018-02-12
+PKG_SOURCE_VERSION:=928cb537aa6a1951ff503b4d13f3c78cead7b581
+PKG_MIRROR_HASH:=21f2c9a1656b2115d2d26ef714390422b885d88ecd21eb9d16d6548444654deb
 
 PKG_MAINTAINER:=John Crispin <[email protected]>
 PKG_LICENSE:=GPL-2.0+