restore *.orig.c to each entry

Under each yyyy/dir there is a file of the form '*.orig.c'
containing the original source code, or as close as we can
get to the original source code.

1994/weisberg/weisberg.orig.c

@@ -0,0 +1,5 @@
+
+main(){
+	int x=3,n,m=2,*t,*a,*b=0;
+	while(b?o:((*(t=b=(int*)malloc(o))=2),a=t+1,o))n=*b,n>=m?c:x%n?(int)b++:N);
+}