flashcard: Use the correct root partition

Additionally clean up some trailing whitespace.

Change-Id: Icec60ba27bdccba3d9453aada99209b40235a832
diff --git a/flashcard/init b/flashcard/init
index 429f69b..9af18d3 100755
--- a/flashcard/init
+++ b/flashcard/init
@@ -2,14 +2,14 @@
 #set -x
 # set -e
 
-function partition_table_image {                                                                                                           
-     if [[ $1 -gt 7000000000 ]] && [[ $1 -lt 8000000000 ]]; then                                                                            
-         echo "partition-table-8gb.img"                                                                                                     
-     elif [[ $1 -gt 14000000000 ]] && [[ $1 -lt 17000000000 ]]; then                                                                        
-         echo "partition-table-16gb.img"                                                                                                    
-     elif [[ $1 -gt 60000000000 ]]; then                                                                                                    
-         echo "partition-table-64gb.img"                                                                                                    
-     fi                                                                                                                                     
+function partition_table_image {
+     if [[ $1 -gt 7000000000 ]] && [[ $1 -lt 8000000000 ]]; then
+         echo "partition-table-8gb.img"
+     elif [[ $1 -gt 14000000000 ]] && [[ $1 -lt 17000000000 ]]; then
+         echo "partition-table-16gb.img"
+     elif [[ $1 -gt 60000000000 ]]; then
+         echo "partition-table-64gb.img"
+     fi
 }
 
 function log {
@@ -45,7 +45,7 @@
 dd if=/tmp/sdcard/boot.img of=/dev/mmcblk0p1
 
 log "* Writing root filesystem..."
-dd if=/tmp/sdcard/rootfs.img of=/dev/mmcblk0p3
+dd if=/tmp/sdcard/rootfs.img of=/dev/mmcblk0p4
 
 log "=== FLASH END! ==="
 sync