More fixes

Include unistd.h in linux process file
Fix assert in autolabor
Don't print 'script missing' error on DF start

library/Core.cpp

@@ -70,7 +70,7 @@ using df::global::init;
 
 // FIXME: A lot of code in one file, all doing different things... there's something fishy about it.
 
-static void loadScriptFile(Core *core, PluginManager *plug_mgr, string fname);
+static void loadScriptFile(Core *core, PluginManager *plug_mgr, string fname, bool silent);
 static void runInteractiveCommand(Core *core, PluginManager *plug_mgr, int &clueless_counter, const string &command);
 static bool parseKeySpec(std::string keyspec, int *psym, int *pmod);
 
@@ -492,7 +492,7 @@ static void runInteractiveCommand(Core *core, PluginManager *plug_mgr, int &clue
         {
             if(parts.size() == 1)
             {
-                loadScriptFile(core, plug_mgr, parts[0]);
+                loadScriptFile(core, plug_mgr, parts[0], false);
             }
             else
             {
@@ -512,8 +512,9 @@ static void runInteractiveCommand(Core *core, PluginManager *plug_mgr, int &clue
     }
 }
 
-static void loadScriptFile(Core *core, PluginManager *plug_mgr, string fname)
+static void loadScriptFile(Core *core, PluginManager *plug_mgr, string fname, bool silent)
 {
+    if(!silent)
         core->getConsole() << "Loading script at " << fname << std::endl;
     ifstream script(fname);
     if (script.good())
@@ -528,6 +529,7 @@ static void loadScriptFile(Core *core, PluginManager *plug_mgr, string fname)
     }
     else
     {
+        if(!silent)
             core->getConsole().printerr("Error loading script\n");
     }
 
@@ -551,7 +553,7 @@ void fIOthread(void * iodata)
         return;
     }
 
-    loadScriptFile(core, plug_mgr, "dfhack.init");
+    loadScriptFile(core, plug_mgr, "dfhack.init", true);
 
     con.print("DFHack is ready. Have a nice day!\n"
               "Type in '?' or 'help' for general help, 'ls' to see all commands.\n");

library/Process-linux.cpp

@@ -25,6 +25,7 @@ distribution.
 #include "Internal.h"
 #include <dirent.h>
 #include <errno.h>
+#include <unistd.h>
 #include <sys/mman.h>
 
 #include <string>

plugins/autolabor.cpp

@@ -398,16 +398,13 @@ struct dwarf_info
 DFhackCExport command_result plugin_init ( color_ostream &out, std::vector <PluginCommand> &commands)
 {
     // initialize labor infos table from default table
-
+    if(ARRAY_COUNT(default_labor_infos) != ENUM_LAST_ITEM(unit_labor) + 1)
+        return CR_FAILURE;
     labor_infos = new struct labor_info[ARRAY_COUNT(default_labor_infos)];
     for (int i = 0; i < ARRAY_COUNT(default_labor_infos); i++) {
         labor_infos[i] = default_labor_infos[i];
     }
-
-	assert(ARRAY_COUNT(labor_infos) > ENUM_LAST_ITEM(unit_labor));
-
     // Fill the command list with your commands.
-    commands.clear();
     commands.push_back(PluginCommand(
         "autolabor", "Automatically manage dwarf labors.",
         autolabor, false, /* true means that the command can't be used from non-interactive user interface */