ICA: Refer libica by its so name

Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>

Author: ifranzki

usr/lib/ica_s390_stdll/ica_specific.c

@@ -61,7 +61,7 @@ const char label[] = "IBM ICA  PKCS #11";
 
 static pthread_mutex_t rngmtx = PTHREAD_MUTEX_INITIALIZER;
 
-#define LIBICA_SHARED_LIB "libica.so"
+#define LIBICA_SHARED_LIB "libica.so.3"
 #define BIND(dso, sym)  (*(void **)(&p_##sym) = dlsym(dso, #sym))
 
 #ifndef NO_EC