Fix pkgconfig libdir paths.

--- a/libical.pc.in
+++ b/libical.pc.in
@@ -8,7 +8,7 @@
 Name: libical
 Description: An implementation of basic iCAL protocols
 Version: @LIBICAL_LIB_VERSION_STRING@
-Libs: -L${libdir} -lical -licalss -licalvcal
+Libs: -lical -licalss -licalvcal
 Libs.private: @PTHREAD_LIBS@
 @REQUIRES_PRIVATE_ICU@
 Cflags: -I${includedir}
--- a/src/libical-glib/libical-glib.pc.in
+++ b/src/libical-glib/libical-glib.pc.in
@@ -8,4 +8,4 @@
 Version: @LIBICAL_LIB_VERSION_STRING@
 Requires: glib-2.0, gobject-2.0, libical
 Cflags: -I${includedir}
-Libs: -L${libdir} -lical-glib
+Libs: -lical-glib