fix missing space

Author: rahxephon89

third_party/move/move-compiler-v2/src/function_checker.rs

@@ -121,7 +121,7 @@ pub fn check_access_and_use(env: &mut GlobalEnv, before_inlining: bool) {
                                     // Only public functions are visible from scripts.
                                     generic_error(
                                         env,
-                                        "a script",
+                                        "a script ",
                                         "it is not public",
                                         sites,
                                         &callee_func,

third_party/move/move-compiler-v2/tests/checking/visibility-checker/main_call_visibility_friend.exp

@@ -1,6 +1,6 @@
 
 Diagnostics:
-error: function `0x2::X::foo` cannot be called from a scriptbecause it is not public
+error: function `0x2::X::foo` cannot be called from a script because it is not public
    ┌─ tests/checking/visibility-checker/main_call_visibility_friend.move:3:24
    │
  3 │     public(friend) fun foo() {}
@@ -12,7 +12,7 @@ error: function `0x2::X::foo` cannot be called from a scriptbecause it is not pu
 15 │     0x2::X::foo();
    │     ------------- called here
 
-error: function `0x2::X::baz` cannot be called from a scriptbecause it is not public
+error: function `0x2::X::baz` cannot be called from a script because it is not public
    ┌─ tests/checking/visibility-checker/main_call_visibility_friend.move:7:9
    │
  7 │     fun baz() {}

third_party/move/move-compiler-v2/tests/visibility-checker/v1-typing/main_call_visibility_friend.exp

@@ -1,6 +1,6 @@
 
 Diagnostics:
-error: function `0x2::X::foo` cannot be called from a scriptbecause it is not public
+error: function `0x2::X::foo` cannot be called from a script because it is not public
    ┌─ tests/visibility-checker/v1-typing/main_call_visibility_friend.move:3:24
    │
  3 │     public(friend) fun foo() {}
@@ -12,7 +12,7 @@ error: function `0x2::X::foo` cannot be called from a scriptbecause it is not pu
 15 │     0x2::X::foo();
    │     ------------- called here
 
-error: function `0x2::X::baz` cannot be called from a scriptbecause it is not public
+error: function `0x2::X::baz` cannot be called from a script because it is not public
    ┌─ tests/visibility-checker/v1-typing/main_call_visibility_friend.move:7:9
    │
  7 │     fun baz() {}