ext/annodex/Makefile.am: Fix CFLAGS/LIBS.

Original commit message from CVS:
* ext/annodex/Makefile.am:
Fix CFLAGS/LIBS.
* ext/cdio/gstcdiocddasrc.c:
* ext/libpng/gstpngdec.c: (gst_pngdec_task):
Include stdlib
* ext/cairo/Makefile.am:
* gst/videofilter/Makefile.am:
* tests/examples/level/Makefile.am:
Use $(LIBM) instead of -lm
7 files changed