streamline TestOthersItems (ERC)

This patch changes a deeply nested "if" into a series of "breaks",
for better readability and to facilitate future extensions.

- Werner

---

Index: kicad/eeschema/erc.cpp
===================================================================
--- kicad.orig/eeschema/erc.cpp	2010-04-28 05:40:28.000000000 -0300
+++ kicad/eeschema/erc.cpp	2010-04-28 05:40:38.000000000 -0300
@@ -653,23 +653,22 @@
                 break;
 
             *NetNbItems += 1;
+            if( erc != OK )
+		break;
+
+	    erc = DiagErc[ref_elect_type][jj];
             if( erc == OK )
-            {
-                erc = DiagErc[ref_elect_type][jj];
-                if( erc != OK )
-                {
-                    if( g_NetObjectslist[NetItemTst]->m_FlagOfConnection == 0 )
-                    {
-                        Diagnose( panel,
-                                  g_NetObjectslist[NetItemRef],
-                                  g_NetObjectslist[NetItemTst],
-                                  0,
-                                  erc );
-                        g_NetObjectslist[NetItemTst]->m_FlagOfConnection =
-                            NOCONNECT_SYMBOL_PRESENT;
-                    }
-                }
-            }
+		break;
+            if( g_NetObjectslist[NetItemTst]->m_FlagOfConnection != 0 )
+		break;
+
+            Diagnose( panel,
+                      g_NetObjectslist[NetItemRef],
+                      g_NetObjectslist[NetItemTst],
+                      0,
+                      erc );
+            g_NetObjectslist[NetItemTst]->m_FlagOfConnection =
+		NOCONNECT_SYMBOL_PRESENT;
             break;
         }
     }