diff --git a/configure b/configure
index a38f2e1..99acfc2 100755
--- a/configure
+++ b/configure
@@ -5689,7 +5689,7 @@ $as_echo_n "checking for wgl... " >&6; }
 int
 main ()
 {
-int main() { wglCreateContext(0); }
+ wglCreateContext(0);
   ;
   return 0;
 }
diff --git a/configure.ac b/configure.ac
index 1041fd8..5a343ba 100644
--- a/configure.ac
+++ b/configure.ac
@@ -379,7 +379,7 @@ if test "x$enable_wgl" = "xyes"; then
 
      save_libs="$LIBS"
      LIBS="$WGL_LIBS"
-     AC_TRY_LINK([#include <windows.h>], [int main() { wglCreateContext(0); }],
+     AC_TRY_LINK([#include <windows.h>], [ wglCreateContext(0); ],
 	   [use_wgl=yes], [use_wgl=no])
      LIBS="$save_libs"
      AC_MSG_RESULT([$use_wgl])