Minor fixes in 1985

The README.md referred to Obfuscated C Code Contest but at this point it
was the International Obfuscated C Code Contest.

Add ALT_{OBJ,TARGET} to 1985/shapiro/Makefile as the alt source code
file was there.

1985/README.md

@@ -1,5 +1,4 @@
-1985 marked the second year of the Obfuscated C Code Contest.
+1985 marked the second year of the International Obfuscated C Code Contest.
-
 
 Look at the README.md file for the given winner for information
 on how to compile the winner and how to run the winning program.

1985/shapiro/.gitignore

@@ -1 +1,2 @@
 shapiro
+shapiro.alt

1985/shapiro/Makefile

@@ -167,8 +167,8 @@ OBJ= ${PROG}.o
 DATA=
 TARGET= ${PROG}
 #
-ALT_OBJ=
+ALT_OBJ= ${PROG}.alt.o
-ALT_TARGET=
+ALT_TARGET= ${PROG}.alt
 
 
 #################