Eina : configure.ac : improve shm_open detection

* Do not use spaces around '=' in configure scripts
 * formatting
 * put -lrt in EINA_LIBS instead of LIBS


SVN revision: 61357

legacy/eina/configure.ac

@@ -589,7 +589,7 @@ AC_CHECK_FUNCS([fpathconf], [AC_DEFINE(HAVE_FPATHCONF)], [])
 have_shmopen=no
 AC_MSG_CHECKING(for shm_open availability)
 
-LIBS_save = "${LIBS}"
+LIBS_save="${LIBS}"
 LIBS="${LIBS} -lrt"
 AC_LINK_IFELSE(
    [AC_LANG_PROGRAM(
@@ -612,7 +612,7 @@ AC_MSG_RESULT([${have_shmopen}])
 
 if test "x${have_shmopen}" = "xyes"; then
    AC_DEFINE(HAVE_SHMOPEN, 1, [Does your system provide shm_open])
-   LIBS="${LIBS} -lrt"
+   EINA_LIBS="${EINA_LIBS} -lrt"
 fi
 
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