handle backslash paths in check_go_path

License: MIT
Signed-off-by: Dominic Della Valle <ddvpublic@gmail.com>

bin/check_go_path

@@ -14,7 +14,7 @@ else
     PATHSEP=':'
 fi
 
-while read -d "$PATHSEP" p; do
+while read -r -d "$PATHSEP" p; do
     if ! cd "$p/src/$PKG" 2>/dev/null; then
         continue
     fi
@@ -23,7 +23,7 @@ while read -d "$PATHSEP" p; do
         exit 0
     fi
     cd "$DIR"
-done <<< "$GOPATH:"
+done <<< "$GOPATH$PATHSEP"
 
 echo "go-ipfs must be built from within your \$GOPATH directory."
 echo "expected within '$GOPATH' but got '$DIR'"