- Fix crash when not specifying the collection for MongoDB

modified:   storage/connect/cmgoconn.cpp

- Fix(?) Linux compile errors
  modified:   storage/connect/tabrest.cpp

storage/connect/cmgoconn.cpp

@@ -150,6 +150,12 @@ void CMgoConn::mongo_init(bool init)
 /***********************************************************************/
 bool CMgoConn::Connect(PGLOBAL g)
 {
+	if (!Pcg->Db_name || !Pcg->Coll_name) {
+		// This would crash in mongoc_client_get_collection
+		strcpy(g->Message, "Missing DB or collection name");
+		return true;
+	}	// endif name
+
 	if (!IsInit)
 #if defined(__WIN__)
 		__try {

storage/connect/tabrest.cpp

@@ -24,6 +24,7 @@
 #else		 // !__WIN__
 #define __stdcall
 #include <dlfcn.h>         // dlopen(), dlclose(), dlsym() ...
+#include <libexplain/execlp.h>
 #endif   // !__WIN__
 #endif	 // !REST_SOURCE
 #define _OS_H_INCLUDED     // Prevent os.h to be called
@@ -148,7 +149,6 @@ int Xcurl(PGLOBAL g, PCSZ Http, PCSZ Uri, PCSZ filename)
 	}	// endif CreateProcess
 #else   // !__WIN__
 	char  fn[600];
-	int   rcd;
 	pid_t pID = vfork();
 
 	sprintf(fn, "-o%s", filename);