tests: Pass -no-install to libtool
* tests/Makefile.am: add AM_LDFLAGS = -no-install
There is little point building tests with support for installation.
Passing -no-install stops libtool from building wrapper scripts,
thus allowing direct gdb/valgrind invocation on programs in tests/
subdirectory.
- Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>