Building GDB 7.3.92 with MinGW

[Eli Zaretskii]

> Date: Wed, 11 Jan 2012 08:42:12 +0800
> From: asmwarrior <asmwarrior@gmail.com>
> 
> Here is what I did before:
> make install
> cd to installed_folder
> strp *.exe

That doesn't strip the libraries, and if GDB will some time distribute
a shared library, won't DTRT with them.

Stripping libraries needs special switches to `strip' which is a pain
to type, and for *.a libraries you need to run ranlib afterwards.
"install-strip" does all that automatically.