sprintf -> PyOS_snprintf in some "obviously safe" cases.
Also changed <>-style #includes to ""-style in some places where the
former didn't make sense.
diff --git a/Modules/stropmodule.c b/Modules/stropmodule.c
index bd56ee0..3c5de2b 100644
--- a/Modules/stropmodule.c
+++ b/Modules/stropmodule.c
@@ -772,7 +772,8 @@
 		end++;
 	if (*end != '\0') {
   bad:
-		sprintf(buffer, "invalid literal for atoi(): %.200s", s);
+		PyOS_snprintf(buffer, sizeof(buffer),
+			      "invalid literal for atoi(): %.200s", s);
 		PyErr_SetString(PyExc_ValueError, buffer);
 		return NULL;
 	}
@@ -865,12 +866,14 @@
 	while (*end && isspace(Py_CHARMASK(*end)))
 		end++;
 	if (*end != '\0') {
-		sprintf(buffer, "invalid literal for atof(): %.200s", s);
+		PyOS_snprintf(buffer, sizeof(buffer),
+			      "invalid literal for atof(): %.200s", s);
 		PyErr_SetString(PyExc_ValueError, buffer);
 		return NULL;
 	}
 	else if (errno != 0) {
-		sprintf(buffer, "atof() literal too large: %.200s", s);
+		PyOS_snprintf(buffer, sizeof(buffer), 
+			      "atof() literal too large: %.200s", s);
 		PyErr_SetString(PyExc_ValueError, buffer);
 		return NULL;
 	}