test: ignore some more binaries

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

test/.gitignore

@@ -119,6 +119,8 @@ malloc/tst-mcheck
 malloc/tst-obstack
 math/basic-test
 math/compile_test
+math/c99_test
+math/ilogb
 math/libm-test-ulps.h
 math/libm-test.c
 math/rint