Changed name of dumbtest.c to ex1_7.c to reflect what exercise was completed in this code.

KNR C/ex1_7.c

@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+int main(){
+	
+	int a = getchar() != EOF;
+	printf("%d", a);
+
+return 0;
+}