Merge pull request open-mpi#11081 from thesamesam/main

config/opal_check_os_flavors.m4: fix -Wimplicit-int in OPAL_CHECK_OS_...

Author: jsquyres

config/opal_check_os_flavors.m4

@@ -22,7 +22,7 @@ AC_DEFUN([OPAL_CHECK_OS_FLAVOR_SPECIFIC],
     AC_MSG_CHECKING([$1])
     AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
      [[#ifndef $1
-      error: this is not $1
+      #this is not $1, error
       #endif
      ]])],
                       [opal_found_$2=yes],