Fix 1990/theorem/Makefile for clang in linux

Disabled a warning that defaulted to an error. In this case it was
easier to do it this way due to the way the entry works.

1990/theorem/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-deprecated-declarations -Wno-empty-body -Wno-error -Wno-unused-value \
 	-Wno-implicit-function-declaration -Wno-incompatible-pointer-types \
 	-Wno-macro-redefined -Wno-parentheses -Wno-return-type -Wno-unused-parameter \
-	-Wno-empty-translation-unit
+	-Wno-empty-translation-unit -Wno-int-conversion
 
 # Common C compiler warning flags
 #

thanks-for-fixes.md

@@ -424,6 +424,10 @@ and to prevent a warning about `gets()` at linking or runtime. Since this
 program is so incredible the extra fixes were deemed worth having and this is why
 it was done.
 
+Cody disabled a warning in the Makefile that proved to be a problem only with
+clang in linux but which was defaulting to an error. This way was the simplest
+way to deal with the problem in question due to the way the entry works.
+
 Yusuke pointed out that `atof` nowadays needs `#include <stdlib.h>` which was
 used in order to get this to work initially (prior to this output was there but
 incomplete).