Undo NULL file check in 1993/schnitzi

As part of the redefinition of INABIAF the NULL file check has been
removed. Instead it's noted in the README.md and Makefile.

1993/schnitzi/Makefile

@@ -128,6 +128,7 @@ all: data ${TARGET}
 	supernova deep_magic magic charon pluto
 
 ${PROG}: ${PROG}.c
+	@echo "NOTE: this entry will segfault if the file cannot be opened."
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
 # alternative executable

1993/schnitzi/README.md

@@ -1,18 +1,17 @@
 # Obfuscated Intelligence Award:
 
-	Mark Schnitzius
+Mark Schnitzius
-	1700 Woodbury Rd. #1208
+1700 Woodbury Rd. #1208
-	Orlando, FL 32828
+Orlando, FL 32828
-	USA
+USA
 
 ## To build:
 
         make all
 
-[Cody Boone Ferguson](/winners.html#Cody_Boone_Ferguson) fixed this to not
+[Cody Boone Ferguson](/winners.html#Cody_Boone_Ferguson) made this use `fgets()`
-segfault when no file is specified or the file cannot be opened for reading. He
+not `gets()` to make it safer and to prevent a warning with linking or at
-also made this use `fgets()` not `gets()` to make it safer. Thank you Cody for
+runtime. Thank you Cody for your assistance!
-your assistance!
 
 ## To run:
 
@@ -22,6 +21,8 @@ where:
 	    
 	    file	a file containing some text
 
+NOTE: this entry will segfault if the file cannot be opened.
+
 ## Try:
 
 	    ./schnitzi schnitzi.info

1993/schnitzi/schnitzi.c

@@ -13,9 +13,9 @@
 (                lll>l1  )                 li|=! (                  l[3*l1+++3
  ]           -ll[strlen (                 ll)-1]  )                    ;return
 (                    li  )                ;}main (                      ll,lll
- )  char*lll[];{if(ll<2)return 1;char l1 [111][21],  li1[111][21],il1[111],i1l
+ )  char*lll[];{char l1 [   111][21],li1[111][21  ]              ,il1[111],i1l
 [                   111  ] ;int lli,l11,l1l,li/* (  */,ll1,il,l;FILE*f;if(ll-2
- )             {f=fopen (             lll[1],"r"  );if(!f)return 1;lli=l=ll1=il=!1;while
+ )             {f=fopen (             lll[1],"r"  )     ;lli=l=ll1=il=!1;while
 ( fscanf(f,"%s",l1[lli]  )             +1){li=ii (                   l1[lli],3
  )                 ;iii (                l1[lli]  )          ;l1l=l11=!1;while
 (               l1l>-ll  )                  {iii (                   lll[-l1l]