Fix various typos in src/ifcgeom* subdirs

src/ifcgeom/mapping/IfcCompositeCurve.cpp

@@ -163,7 +163,7 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcCompositeCurve* l, TopoDS_Wi
 	}
 
 	if (converted_segments.Extent() == 0) {
-		Logger::Message(Logger::LOG_ERROR, "No segment succesfully converted:", l);
+		Logger::Message(Logger::LOG_ERROR, "No segment successfully converted:", l);
 		return false;
 	}
 

src/ifcgeom/mapping/IfcFace.cpp

@@ -91,7 +91,7 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcFace* l, TopoDS_Shape& resul
 		TopoDS_Shape surface_shape;
 		if (!convert_shape(fs->FaceSurface(), surface_shape)) return false;
 
-		// FIXME: Assert this obtaines the only face
+		// FIXME: Assert this obtains the only face
 		TopExp_Explorer exp(surface_shape, TopAbs_FACE);
 		if (!exp.More()) return false;
 

src/ifcgeom/mapping/IfcTrimmedCurve.cpp

@@ -113,7 +113,7 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcTrimmedCurve* inst) {
 		// Fix from @sanderboer to compare using model tolerance, see #744
 		// Made dependent on radius, see #928
 
-		// A good critereon for determining whether to take full curve
+		// A good criterion for determining whether to take full curve
 		// or trimmed segment would be whether there are other curve segments or this
 		// is the only one.
 		boost::optional<size_t> num_segments;
@@ -170,7 +170,7 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcTrimmedCurve* inst) {
 			TopoDS_Vertex v0, v1;
 			TopExp::Vertices(e, v0, v1);
 			e = TopoDS::Edge(BRepBuilderAPI_MakeEdge(v0, v1).Edge().Oriented(e.Orientation()));
-			Logger::Warning("Subsituted edge with linear approximation", l);
+			Logger::Warning("Substituted edge with linear approximation", l);
 		}
 	}