PATCH COMMITTED: Add const qualifier

[Ian Lance Taylor]

In lto.c strchr is called with a const char * and the result is caught
in a char * variable.  That is fine in C but in C++ strchr is overloaded
and the result is const char *, which breaks the --enable-build-with-cxx
configure option.  In this case the variable might as well be const
cha r*, so I made that change.  Bootstrapped on x86_64-unknown-linux-gnu.
I did not run the testsuite.

Ian


2010-10-05  Ian Lance Taylor  <iant@google.com>

	* lto.c (lto_section_with_id): Make s a const pointer.


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