export RECOLL_CONFDIR to filters

src/internfile/mh_exec.cpp

@@ -100,6 +100,7 @@ bool MimeHandlerExec::next_document()
     ExecCmd mexec;
     MEAdv adv(filtermaxseconds);
     mexec.setAdvise(&adv);
+    mexec.putenv("RECOLL_CONFDIR", m_config->getConfDir());
     mexec.putenv(m_forPreview ? "RECOLL_FILTER_FORPREVIEW=yes" :
 		"RECOLL_FILTER_FORPREVIEW=no");
 

src/internfile/mh_execm.cpp

@@ -18,6 +18,7 @@
 
 #include <iostream>
 #include <sstream>
+using namespace std;
 
 #include "cstr.h"
 #include "mh_execm.h"
@@ -33,10 +34,6 @@
 #include <sys/types.h>
 #include <sys/wait.h>
 
-#ifndef NO_NAMESPACES
-using namespace std;
-#endif /* NO_NAMESPACES */
-
 bool MimeHandlerExecMultiple::startCmd()
 {
     LOGDEB(("MimeHandlerExecMultiple::startCmd\n"));
@@ -56,6 +53,7 @@ bool MimeHandlerExecMultiple::startCmd()
     oss << "RECOLL_FILTER_MAXMEMBERKB=" << m_maxmemberkb;
     m_cmd.putenv(oss.str());
 
+    m_cmd.putenv("RECOLL_CONFDIR", m_config->getConfDir());
     m_cmd.putenv(m_forPreview ? "RECOLL_FILTER_FORPREVIEW=yes" :
 		"RECOLL_FILTER_FORPREVIEW=no");
 

src/utils/execmd.cpp

@@ -102,6 +102,13 @@ void  ExecCmd::putenv(const string &ea)
 {
     m_env.push_back(ea);
 }
+
+void  ExecCmd::putenv(const string &name, const string& value)
+{
+    string ea = name + "=" + value;
+    putenv(ea);
+}
+
 static void msleep(int millis)
 {
     struct timespec spec;

src/utils/execmd.h

@@ -86,6 +86,7 @@ class ExecCmd {
      * @param envassign an environment assignment string ("name=value")
      */
     void putenv(const string &envassign);
+    void putenv(const string &name, const string& value);
 
     /** 
      * Set function objects to call whenever new data is available or on