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-rw-r--r--tool/m4/ruby_check_va_copy.m42
1 files changed, 1 insertions, 1 deletions
diff --git a/tool/m4/ruby_check_va_copy.m4 b/tool/m4/ruby_check_va_copy.m4
index cc885e56de..74338beb60 100644
--- a/tool/m4/ruby_check_va_copy.m4
+++ b/tool/m4/ruby_check_va_copy.m4
@@ -24,7 +24,7 @@ main()
conftest(10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0);
exit(0);
}],
- rb_cv_va_copy=[$1],
+ rb_cv_va_copy="$1",
rb_cv_va_copy="",
rb_cv_va_copy="")dnl
fi