Fix error "+ 2")syntax error: invalid arithmetic operator (error token is " in Cygwin x64
diff --git a/configure.ac b/configure.ac
index 9a489d9..3ae468a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1116,7 +1116,7 @@
     if (f == NULL) {
 	return 1;
     }
-    fprintf(f, "%d\n", result);
+    fprintf(f, "%d", result);
     fclose(f);
 
     return 0;