Index: /issm/trunk-jpl/src/wrappers/matlab/io/WriteMatlabData.cpp
===================================================================
--- /issm/trunk-jpl/src/wrappers/matlab/io/WriteMatlabData.cpp	(revision 21063)
+++ /issm/trunk-jpl/src/wrappers/matlab/io/WriteMatlabData.cpp	(revision 21064)
@@ -430,5 +430,5 @@
 /*}}}*/
 /*FUNCTION SetStructureFieldi(mxArray* dataref,const char* fieldname,char* string) {{{*/
-void SetStructureFieldi(mxArray* dataref,int i,const char* fieldname,char* string){
+void SetStructureFieldi(mxArray* dataref,int i,const char* fieldname,const char* string){
 
 	mxArray* field = NULL;
Index: /issm/trunk-jpl/src/wrappers/matlab/io/matlabio.h
===================================================================
--- /issm/trunk-jpl/src/wrappers/matlab/io/matlabio.h	(revision 21063)
+++ /issm/trunk-jpl/src/wrappers/matlab/io/matlabio.h	(revision 21064)
@@ -68,5 +68,5 @@
 void SetStructureFieldi(mxArray* dataref,int i,const char* fieldname,int field);
 void SetStructureFieldi(mxArray* dataref,int i,const char* fieldname,double field);
-void SetStructureFieldi(mxArray* dataref,int i,const char* fieldname,char* string);
+void SetStructureFieldi(mxArray* dataref,int i,const char* fieldname,const char* string);
 int CheckNumMatlabArguments(int nlhs,int NLHS, int nrhs,int NRHS, const char* THISFUNCTION, void (*function)( void ));