Ensure that the variable "MYSQL_U_SCORE_VERSION" is expanded

whereever it is used (currently, only RPM spec files).

support-files/Makefile.am

@@ -120,6 +120,7 @@ SUFFIXES = .sh
 	  -e 's!@''SHARED_LIB_VERSION''@!@SHARED_LIB_VERSION@!' \
 	  -e 's!@''MYSQL_BASE_VERSION''@!@MYSQL_BASE_VERSION@!' \
 	  -e 's!@''MYSQL_NO_DASH_VERSION''@!@MYSQL_NO_DASH_VERSION@!' \
+	  -e 's!@''MYSQL_U_SCORE_VERSION''@!@MYSQL_U_SCORE_VERSION@!' \
 	  -e 's!@''MYSQL_COPYRIGHT_YEAR''@!@MYSQL_COPYRIGHT_YEAR@!' \
 	  -e 's!@''MYSQL_TCP_PORT''@!@MYSQL_TCP_PORT@!' \
 	  -e 's!@''PERL_DBI_VERSION''@!@PERL_DBI_VERSION@!' \