fstab: add quota to handled flags

Change-Id: Iffce38ff43b1337803a5fcf067483f61533ee423
(cherry picked from commit e848afcea640687a0571ae812fd64047bef354a5)
diff --git a/partition.cpp b/partition.cpp
index d67344a..b06d84f 100755
--- a/partition.cpp
+++ b/partition.cpp
@@ -140,6 +140,7 @@
 	TWFLAG_IGNOREBLKID,
 	TWFLAG_LENGTH,
 	TWFLAG_MOUNTTODECRYPT,
+	TWFLAG_QUOTA,
 	TWFLAG_REMOVABLE,
 	TWFLAG_SETTINGSSTORAGE,
 	TWFLAG_STORAGE,
@@ -188,6 +189,7 @@
 	{ "ignoreblkid",            TWFLAG_IGNOREBLKID },
 	{ "length=",                TWFLAG_LENGTH },
 	{ "mounttodecrypt",         TWFLAG_MOUNTTODECRYPT },
+	{ "quota",                  TWFLAG_QUOTA },
 	{ "removable",              TWFLAG_REMOVABLE },
 	{ "settingsstorage",        TWFLAG_SETTINGSSTORAGE },
 	{ "storage",                TWFLAG_STORAGE },
@@ -976,6 +978,9 @@
 		case TWFLAG_MOUNTTODECRYPT:
 			Mount_To_Decrypt = val;
 			break;
+		case TWFLAG_QUOTA:
+			// Filesystem flag - TWRP does not need to process
+			break;
 		case TWFLAG_REMOVABLE:
 			Removable = val;
 			break;