libmudflap.exp (libmudflap-init): Remove -static from MUDFLAP_FLAGS if static library not supported.

	* testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from
	MUDFLAP_FLAGS if static library not supported.
	* testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new.
	* testsuite/libmudflap.c/externs.exp: Ditto.
	* testsuite/libmudflap.c++/ctors.exp: Ditto.
	* testsuite/libmudflap.c++/c++frags.exp: Ditto.
	* testsuite/libmudflap.cth/cthfrags.exp: Ditto.

From-SVN: r107371