style: keep tab indenting consistency

src/ifcgeom/AbstractKernel.cpp

@@ -206,8 +206,8 @@ ifcopenshell::geometry::kernels::AbstractKernel* ifcopenshell::geometry::kernels
 			}
 #endif
 			if (kernels.size() != n + 1) {
-                for (auto k : kernels)
-                    delete k;
+				for (auto k : kernels)
+					delete k;
 				throw IfcParse::IfcException("Invalid hybrid kernel " + geometry_library);
 			}
 		}

src/ifcgeom/Converter.cpp

@@ -15,12 +15,12 @@ ifcopenshell::geometry::Converter::Converter(const std::string& geometry_library
 
 ifcopenshell::geometry::Converter::~Converter()
 {
-    if (kernel_ != nullptr) {
-        delete kernel_;
-    }
-    if (mapping_ != nullptr) {
-        delete mapping_;
-    }
+	if (kernel_ != nullptr) {
+		delete kernel_;
+	}
+	if (mapping_ != nullptr) {
+		delete mapping_;
+	}
 }
 
 namespace {

src/ifcgeom/kernels/opencascade/boolean_utils.cpp

@@ -978,7 +978,7 @@ bool IfcGeom::util::boolean_operation(const boolean_settings& settings, const To
 	if (b.Extent() == 0) {
 		Logger::Warning("No other operands remaining, using first operand");
 		result = a;
-        delete builder;
+		delete builder;
 		return true;
 	}
 
@@ -1131,7 +1131,7 @@ bool IfcGeom::util::boolean_operation(const boolean_settings& settings, const To
 						} else {
 							Logger::Notice("Processed fully in 2D");
 							result = mp.Shape();
-                            delete builder;
+							delete builder;
 							return true;
 						}
 					} else {