Linux related change to .similar to handle 'a.out' files...

From: Herb Richter <hgr@buynet.com>

Author: scrappy

src/template/.similar

@@ -8,13 +8,14 @@ i386-pc-linux-gnu=linux-elf
 i386-unknown-freebsd=freebsd
 i386-unknown-netbsd=netbsd
 i486-pc-linux-gnu=linux-elf
+i486-pc-linux-gnuaout=linux
 i586-pc-linux-gnu=linux-elf
 i586-pc-sco3.2v=sco
 i686-pc-linux-gnu=linux-elf
 mips-sgi-irix=irix
-powerpc-unknown-linux-gnu=linux-elf
 powerpc-ibm-aix3.2.5=aix_325
 powerpc-ibm-aix4.1.4.0=aix_41
 powerpc-ibm-aix4.1.5.0=aix_41
+powerpc-unknown-linux-gnu=linux-elf
 sparc-sun-solaris=sparc_solaris-gcc
 sparc-unknown-linux-gnu=linux-elf