targets/egl-static: add missing line break in ldflags

Accidently omitted by commit 7b7944ee1c.

Cc: "10.2" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Jon TURNEY <jon.turney@dronecode.org.uk>

src/gallium/targets/egl-static/Makefile.am

@@ -48,7 +48,7 @@ AM_LDFLAGS = \
 	-module \
 	-no-undefined \
 	-avoid-version \
-	-Wl,--version-script=$(top_srcdir)/src/gallium/targets/egl-static/egl.sym
+	-Wl,--version-script=$(top_srcdir)/src/gallium/targets/egl-static/egl.sym \
 	$(GC_SECTIONS) \
 	$(LD_NO_UNDEFINED)