Clean trailing whitespaces in Makefile.pre.in and grpmodule.c.
diff --git a/Makefile.pre.in b/Makefile.pre.in
index dc3c9c3..0f8f823 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -475,7 +475,7 @@
 
 libpython$(VERSION).dylib: $(LIBRARY_OBJS)
 	 $(CC) -dynamiclib -Wl,-single_module $(LDFLAGS) -undefined dynamic_lookup -Wl,-install_name,$(prefix)/lib/libpython$(VERSION).dylib -Wl,-compatibility_version,$(VERSION) -Wl,-current_version,$(VERSION) -o $@ $(LIBRARY_OBJS) $(SHLIBS) $(LIBC) $(LIBM) $(LDLAST); \
-		 
+
 
 libpython$(VERSION).sl: $(LIBRARY_OBJS)
 	$(LDSHARED) -o $@ $(LIBRARY_OBJS) $(MODLIBS) $(SHLIBS) $(LIBC) $(LIBM) $(LDLAST)
@@ -911,7 +911,7 @@
 	plat-mac/lib-scriptpackages/Netscape \
 	plat-mac/lib-scriptpackages/StdSuites \
 	plat-mac/lib-scriptpackages/SystemEvents \
-	plat-mac/lib-scriptpackages/Terminal 
+	plat-mac/lib-scriptpackages/Terminal
 PLATMACPATH=:plat-mac:plat-mac/lib-scriptpackages
 LIBSUBDIRS=	lib-tk lib-tk/test lib-tk/test/test_tkinter \
 		lib-tk/test/test_ttk site-packages test test/data \
@@ -1333,7 +1333,7 @@
 .PHONY: maninstall libinstall inclinstall libainstall sharedinstall
 .PHONY: frameworkinstall frameworkinstallframework frameworkinstallstructure
 .PHONY: frameworkinstallmaclib frameworkinstallapps frameworkinstallunixtools
-.PHONY: frameworkaltinstallunixtools recheck autoconf clean clobber distclean 
+.PHONY: frameworkaltinstallunixtools recheck autoconf clean clobber distclean
 .PHONY: smelly funny patchcheck altmaninstall
 .PHONY: gdbhooks
 
diff --git a/Modules/grpmodule.c b/Modules/grpmodule.c
index 07de880..ebc38cc 100644
--- a/Modules/grpmodule.c
+++ b/Modules/grpmodule.c
@@ -10,8 +10,8 @@
 static PyStructSequence_Field struct_group_type_fields[] = {
    {"gr_name", "group name"},
    {"gr_passwd", "password"},
-   {"gr_gid", "group id"}, 
-   {"gr_mem", "group memebers"}, 
+   {"gr_gid", "group id"},
+   {"gr_mem", "group memebers"},
    {0}
 };
 
@@ -113,7 +113,7 @@
     if (!py_str_name)
 	    return NULL;
     name = PyString_AS_STRING(py_str_name);
-    
+
     if ((p = getgrnam(name)) == NULL) {
 	PyErr_Format(PyExc_KeyError, "getgrnam(): name not found: %s", name);
 	Py_DECREF(py_str_name);