Fix indentatation

sbt/sbt

@@ -16,28 +16,28 @@ else
   printf "NOT FOUND]\n"
   # Download sbt or use already downloaded
   if [ ! -d .sbtlib ]; then
-	  mkdir .sbtlib
+    mkdir .sbtlib
   fi
   if [ ! -f ${JAR} ]; then
-	  # Download
-	  printf "Attempting to fetch sbt\n"
-	  if hash curl 2>/dev/null; then
-	    curl --progress-bar ${URL1} > ${JAR} || curl --progress-bar ${URL2} > ${JAR}
-	  elif hash wget 2>/dev/null; then
-	    wget --progress=bar ${URL1} -O ${JAR} || wget --progress=bar ${URL2} -O ${JAR}
-	  else
-	    printf "You do not have curl or wget installed, please install sbt manually from http://www.scala-sbt.org/\n"
-	    exit -1
-	  fi
+    # Download
+    printf "Attempting to fetch sbt\n"
+    if hash curl 2>/dev/null; then
+      curl --progress-bar ${URL1} > ${JAR} || curl --progress-bar ${URL2} > ${JAR}
+    elif hash wget 2>/dev/null; then
+      wget --progress=bar ${URL1} -O ${JAR} || wget --progress=bar ${URL2} -O ${JAR}
+    else
+      printf "You do not have curl or wget installed, please install sbt manually from http://www.scala-sbt.org/\n"
+      exit -1
+    fi
   fi
   if [ ! -f ${JAR} ]; then
-	  # We failed to download
-	  printf "Our attempt to download sbt locally to ${JAR} failed. Please install sbt manually from http://www.scala-sbt.org/\n"
-	  exit -1
+    # We failed to download
+    printf "Our attempt to download sbt locally to ${JAR} failed. Please install sbt manually from http://www.scala-sbt.org/\n"
+    exit -1
   fi
   printf "Launching sbt from .sbtlib\n"
   java \
     -Xmx1200m -XX:MaxPermSize=350m -XX:ReservedCodeCacheSize=256m \
-	  -jar ${JAR} \
-	  "$@"
+    -jar ${JAR} \
+    "$@"
 fi