[PATCH] scripts/gcc-version.sh: handle CC="gcc -m32"

[Rusty Russell]

Without it we get ugly warnings (though build still succeeds).

$ make -j8 CC="gcc -m32"
In file included from <command-line>:0:0:
/usr/include/stdc-predef.h:30:26: fatal error: bits/predefs.h: No such file or directory
 #include <bits/predefs.h>
                          ^
compilation terminated.
In file included from <command-line>:0:0:
/usr/include/stdc-predef.h:30:26: fatal error: bits/predefs.h: No such file or directory
 #include <bits/predefs.h>
                          ^
compilation terminated.
/home/rusty/devel/kernel/linux/scripts/gcc-version.sh: line 31: printf: #: invalid number
/home/rusty/devel/kernel/linux/scripts/gcc-version.sh: line 31: printf: #: invalid number
/bin/sh: 1: [: 0001: unexpected operator
  CHK     include/config/kernel.release
  CHK     include/generated/uapi/linux/version.h
make[1]: Nothing to be done for `all'.
...

Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>

diff --git a/scripts/gcc-version.sh b/scripts/gcc-version.sh
index 7f2126df91f2..d48b0cbaf246 100644
--- a/scripts/gcc-version.sh
+++ b/scripts/gcc-version.sh
@@ -14,7 +14,7 @@ if [ "$1" = "-p" ] ; then
 	shift;
 fi
 
-compiler="$*"
+compiler="$1"
 
 if [ ${#compiler} -eq 0 ]; then
 	echo "Error: No compiler specified."
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