re PR go/90635 (typo in libgo/configure.ac)

PR go/90635
    libgo: correct typo in USE_LIBFFI AM_CONDITIONAL
    
    Only affects the case of passing --without-libffi to configure.
    
    Fixes https://gcc.gnu.org/PR90635
    
    Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/178998

From-SVN: r271640

gcc/go/gofrontend/MERGE

@@ -1,4 +1,4 @@
-578c4fb6132801db8e9d11d741d2394e07c5a398
+3995d545f1e112c682753f342eaef0877551a649
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.

libgo/configure

@@ -13712,7 +13712,7 @@ $as_echo "#define USE_LIBFFI 1" >>confdefs.h
 fi
 
 
- if test "$with_liffi" != "no"; then
+ if test "$with_libffi" != "no"; then
   USE_LIBFFI_TRUE=
   USE_LIBFFI_FALSE='#'
 else

libgo/configure.ac

@@ -128,7 +128,7 @@ if test "$with_libffi" != no; then
 fi
 AC_SUBST(LIBFFI)
 AC_SUBST(LIBFFIINCS)
-AM_CONDITIONAL(USE_LIBFFI, test "$with_liffi" != "no")
+AM_CONDITIONAL(USE_LIBFFI, test "$with_libffi" != "no")
 
 # See if the user wants to configure without libatomic. This is useful if we are
 # on an architecture for which libgo does not need an atomic support library and