Integrate perlio:

[  7971]
Quieten some noise in Win32 builds:
- win32.h is included after <sys/socket.h>, so need to 
set Win32SCK_IS_STDSCK earlier to avoid re-defined noise in XSUB.h
- GCC (& MSVC?) have execv(...,const char *const *) so need a cast from char **.

[  7970]
PERL_IMPLICIT_SYS compiles but does not work.

p4raw-link: @7971 on //depot/perlio: b4748376b6239962bd75b743e5a7b14788a2970c
p4raw-link: @7970 on //depot/perlio: adb71456d0ff53391c88789f315f1e66b14373d5

p4raw-id: //depot/perl@7972

1 files changed, 1 insertions, 1 deletions

diff --git a/toke.c b/toke.c
index 7b680910e7..c07d991274 100644
--- a/toke.c
+++ b/toke.c
@@ -2718,7 +2718,7 @@ Perl_yylex(pTHX)
 		    else
 			newargv = PL_origargv;
 		    newargv[0] = ipath;
-		    PerlProc_execv(ipath, newargv);
+		    PerlProc_execv(ipath, EXEC_ARGV_CAST(newargv));
 		    Perl_croak(aTHX_ "Can't exec %s", ipath);
 		}
 #endif