release-request-18270495-77c6-4d95-8968-eb22e3d2fe8b-for-git_oc-release-4057656 snap-temp-L93200000069424216

Change-Id: If84ddfe4696327fcd69945b619efa2d000a413f1
diff --git a/toys/android/setprop.c b/toys/android/setprop.c
index c135615..ec411f4 100644
--- a/toys/android/setprop.c
+++ b/toys/android/setprop.c
@@ -38,7 +38,7 @@
   if (strstr(name, ".."))
     error_exit("'..' is not allowed in a property name");
   for (p = name; *p; ++p)
-    if (!isalnum(*p) && !strchr("@_.-", *p))
+    if (!isalnum(*p) && !strchr(":@_.-", *p))
       error_exit("invalid character '%c' in name '%s'", *p, name);
 
   if (__system_property_set(name, value))