(c2rust-analyze/tests) Make test functions pub so there aren't a ton of useless warnings.

Author: kkysen

c2rust-analyze/tests/analyze/string_casts.rs

@@ -1,9 +1,9 @@
 #[cfg(any())]
-fn cast_only(s: *const u8) {
+pub fn cast_only(s: *const u8) {
     s as *const core::ffi::c_char;
 }
 
 #[cfg(any())]
-fn cast_from_literal() {
+pub fn cast_from_literal() {
     b"" as *const u8 as *const core::ffi::c_char;
 }

c2rust-analyze/tests/analyze/string_literals.rs

@@ -1,9 +1,9 @@
 #[cfg(any())]
-fn str() {
+pub fn str() {
     "";
 }
 
 #[cfg(any())]
-fn bstr() {
+pub fn bstr() {
     b"";
 }