isfinite: Fix syntax error in configure test.

[gnulib.git] / m4 / isfinite.m4

diff --git a/m4/isfinite.m4 b/m4/isfinite.m4
index 1fca56a..9bc8c4d 100644 (file)
--- a/m4/isfinite.m4
+++ b/m4/isfinite.m4
@@ -148,7 +148,7 @@ int main ()
     static memory_long_double x =
       { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
     if (isfinite (x.value))
-      return |= 64;
+      result |= 64;
   }
 #endif