package/gobject-introspection: fix gidatadir

Since commit 521d387640d704f24caee51841388d98bcac739b gidatadir is
wrongly set to ${libdir}/../share, set it back to
${datadir}/gobject-introspection-1.0

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/gobject-introspection/gobject-introspection.mk

@@ -121,7 +121,7 @@ define GOBJECT_INTROSPECTION_INSTALL_WRAPPERS
 	# causes the host /usr/share being used instead of $(STAGING_DIR)/usr/share.
 	# Change datadir to $(libdir)/../share which will prefix $(STAGING_DIR)
 	# to the correct location.
-	$(SED) "s%datadir=.*%datadir=\$${libdir}/../share%g" \
+	$(SED) "s%^datadir=.*%datadir=\$${libdir}/../share%g" \
 		$(STAGING_DIR)/usr/lib/pkgconfig/gobject-introspection-1.0.pc
 
 	# By default, girdir and typelibdir use datadir and libdir as their prefix,