8273575: memory leak in appendBootClassPath(), paths must be deallocated

Backport-of: 74ffe12267cb3ae63072a06f50083fd0352d8049

Author: Olga Mikhaltsova

src/java.instrument/share/native/libinstrument/InvocationAdapter.c

@@ -975,4 +975,5 @@ appendBootClassPath( JPLISAgent* agent,
     if (haveBasePath && parent != canonicalPath) {
         free(parent);
     }
+    free(paths);
 }