Fix output so the %s is formatted with the exepath as intended

Signed-off-by: brycegbrazen <[email protected]>

src/rezplugins/shell/gitbash.py

@@ -44,7 +44,7 @@ def find_executable(cls, name, check_syspaths=False):
                 "Git-bash executable has been detected at %s, but this is "
                 "probably not correct (google Windows Subsystem for Linux). "
                 "Consider adjusting your searchpath, or use rez config setting "
-                "plugins.shell.gitbash.executable_fullpath."
+                "plugins.shell.gitbash.executable_fullpath." % exepath
             )
 
         return exepath