Remove GNU ld flag which makes it act the same as Solaris ld default.

Need to convert to portable autoconf check for linker type & send upstream.

--- gnome-calendar-3.18.1/src/Makefile.am Thu Jun 2 14:20:27 2016

+++ gnome-calendar-3.18.1/src/Makefile.am Thu Jun 2 14:20:35 2016

@@ -62,9 +62,6 @@

gcal-utils.c \

gcal-utils.h

-gnome_calendar_LDFLAGS = \

- -Wl,--export-dynamic

-

gnome_calendar_LDADD = \

-lm \

$(CALENDAR_LIBS)