REVERTME: add '+fortran' to version suffix

Source/Modules/main.cxx

@@ -909,6 +909,10 @@ int SWIG_main(int argc, char *argv[], const TargetLanguageModule *tlm) {
 
   // Set the SWIG version value in format 0xAABBCC from package version expected to be in format A.B.C
   String *package_version = NewString(PACKAGE_VERSION); /* Note that the fakeversion has not been set at this point */
+  if (char *token = strstr(Char(package_version), "+")) {
+    // Remove '+' suffix
+    *token = '\0';
+  }
   char *token = strtok(Char(package_version), ".");
   String *vers = NewString("SWIG_VERSION 0x");
   int count = 0;

configure.ac

@@ -2,7 +2,7 @@ dnl Process this file with autoconf to produce a configure script.
 dnl The macros which aren't shipped with the autotools are stored in the
 dnl Tools/config directory in .m4 files.
 
-AC_INIT([swig],[4.1.0],[http://www.swig.org])
+AC_INIT([swig],[4.1.0+fortran],[http://www.swig.org])
 AC_PREREQ([2.60])
 
 AC_CONFIG_SRCDIR([Source/Swig/swig.h])