adaptive: Use std::string::npos instead of a literal -1
treea1ea514d53a10e2bbfa68edfd1d5c9c2761a1956
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-rw-r--r-- 19140 AUTHORS
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-rw-r--r-- 26530 COPYING.LIB
-rw-r--r-- 1563 INSTALL
-rw-r--r-- 6559 Makefile.am
-rw-r--r-- 203133 NEWS
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