Added description of missing fortran files in c_runtime/README

git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@2698 f25d12d1-65f4-0310-ae8a-bbce733d8d8e

c_runtime/README

@@ -44,4 +44,11 @@ hybrd.f			- alternative for non-linear solver..
 fdjac1.f		- helper routines 
 enorm.f			- helper routines 
 dpmpar.f		- helper routines 
-dogleg.f		- helper routines 
+dogleg.f		- helper routines 
+nelmead.f		- least square solver for initialization 
+newuoa.f		- least square solver for initialization
+newuob.f 		- least square solver for initialization
+bigden.f		- helper routines (used in newoub.f)
+biglag.f		- helper routines (used in newoub.f)
+trsapp.f		- helper routines (used in newoub.f)
+update.f		- helper routines (used in dassl.f, newoub.f)