Further fixes to 1998/fanf for clang

Some versions of clang need -Wno-int-conversion.

1998/fanf/Makefile

@@ -38,7 +38,8 @@ include ../../var.mk
 
 # Common C compiler warnings to silence
 #
-CSILENCE= -Wno-pointer-bool-conversion -Wno-unused-parameter -Wno-main -Wno-implicit-function-declaration
+CSILENCE= -Wno-pointer-bool-conversion -Wno-unused-parameter -Wno-main -Wno-implicit-function-declaration \
+	  -Wno-int-conversion
 
 # Common C compiler warning flags
 #

thanks-for-help.md

@@ -2134,8 +2134,11 @@ Cody also added a second arg to `main()` out of an abundance of caution as some
 versions of clang whine about the number of args to `main()`. These versions
 claim that only 0, 2 or 3 are allowed but it does allow 1 anyway. It is quite
 possible though that this will change so it is fixed in case this happens. As it
-is mostly just through the C pre-processor Cody added a new macro to do
-translate to the rest of `main()`'s args.
+is mostly just through the C pre-processor Cody added a new macro to make the
+code look like the original with just an extra arg.
+
+In some versions of clang `-Wno-int-conversion` had to be added to the
+`CSILENCE` variable of the Makefile.
 
 Cody also added the [try.sh](/1998/fanf/try.sh) script to show the output of some
 of the expressions that we selected.