INSTALL changed for 1.0.87

INSTALL

@@ -21,5 +21,5 @@ Debian, Ubuntu etc.:
 # the command lines as:
 
    git clone https://github.com/happyfish100/libfastcommon.git
-   cd libfastcommon; git checkout V1.0.86
+   cd libfastcommon; git checkout V1.0.87
    ./make.sh clean && ./make.sh && sudo ./make.sh install

src/shared_func.c

@@ -3283,6 +3283,7 @@ static int format_bytes_string(const int64_t input_bytes,
         }
         p = buff + fc_itoa(n, buff);
     }
+
     return p - buff;
 }