Preliminary fix to bug report 660

Final setting will be decided before next release.

configure.ac

@@ -116,7 +116,7 @@ LT_INIT([shared static])
 #
 #  --> Set 'LT_NGSPICE_AGE' to 0.
 
-LT_NGSPICE_CURRENT=0
+LT_NGSPICE_CURRENT=2
 LT_NGSPICE_REVISION=9
 LT_NGSPICE_AGE=2
 LIBNGSPICE_SO_VERSION=$LT_NGSPICE_CURRENT.$LT_NGSPICE_REVISION.$LT_NGSPICE_AGE

src/Makefile.am

@@ -649,7 +649,7 @@ endif
 
 ## if !SHWIN
 ## if !SHCYG
-libngspice_la_LDFLAGS += -version-info $(LT_NGSPICE_CURRENT):$(LT_NGSPICE_REVISION):$(LT_LIBNGSPICE_AGE)
+libngspice_la_LDFLAGS += -version-info $(LT_NGSPICE_CURRENT):$(LT_NGSPICE_REVISION):$(LT_NGSPICE_AGE)
 ## endif
 ## endif