File riscv.patch of Package seq24

Index: seq24-0.9.3/configure.ac
===================================================================
--- seq24-0.9.3.orig/configure.ac
+++ seq24-0.9.3/configure.ac
@@ -54,7 +54,7 @@ dnl Checks for libraries.
 AC_CHECK_LIB(rt, main, ,    
     AC_MSG_ERROR([POSIX.1b RealTime Library Missing -lrt]))
 
-AC_CHECK_LIB(gtkmm-2.4, _init,,
+AC_CHECK_LIB(gtkmm-2.4, main,,
     AC_MSG_ERROR(Essential library libgtkmm-2.4 not found))
 
 AC_CHECK_LIB(sigc-2.0, main,,