Remove libm altogether.

It's not actually used by the examples anymore.

unix/Makefile

@@ -34,7 +34,7 @@ CFLAGS := -Wall $(CFLAGS)
 LIBS = `pkg-config --libs ogg opus`
 
 #TODO: tests
-SEEKING_EXAMPLE_LIBS = -lm
+FOO_LIBS =
 
 # ANYTHING BELOW THIS LINE PROBABLY DOES NOT NEED EDITING
 CINCLUDE := -I../include ${CINCLUDE}
@@ -119,14 +119,14 @@ ${LIBOPUSFILE_TARGET}: ${LIBOPUSFILE_OBJS}
 # opusfile_example
 ${OPUSFILE_EXAMPLE_TARGET}: ${OPUSFILE_EXAMPLE_OBJS} ${LIBOPUSFILE_TARGET}
 	mkdir -p ${TARGETBINDIR}
-	${CC} ${CFLAGS} ${OPUSFILE_EXAMPLE_OBJS} \
-         ${LIBOPUSFILE_TARGET} ${SEEKING_EXAMPLE_LIBS} ${LIBS} -o $@
+	${CC} ${CFLAGS} ${OPUSFILE_EXAMPLE_OBJS} ${LIBOPUSFILE_TARGET} ${LIBS} \
+         -o $@
 
 # seeking_example
 ${SEEKING_EXAMPLE_TARGET}: ${SEEKING_EXAMPLE_OBJS} ${LIBOPUSFILE_TARGET}
 	mkdir -p ${TARGETBINDIR}
-	${CC} ${CFLAGS} ${SEEKING_EXAMPLE_OBJS} ${LIBOPUSFILE_TARGET} \
-        ${SEEKING_EXAMPLE_LIBS} ${LIBS} -o $@
+	${CC} ${CFLAGS} ${SEEKING_EXAMPLE_OBJS} ${LIBOPUSFILE_TARGET} ${LIBS} \
+         -o $@
 
 #TODO: tests
 # foo