[qca-ssdk-shell]: fix the condition error

Change-Id: I38a4c60c9485b54bf9f572170c126a6cdf03f25f
Signed-off-by: Luo Jie <luoj@codeaurora.org>
diff --git a/src/shell/shell.c b/src/shell/shell.c
index fd1ff1c..a9860f6 100755
--- a/src/shell/shell.c
+++ b/src/shell/shell.c
@@ -716,12 +716,17 @@
     while ((read = getline(&line, &len, in_fd)) != -1)
     {
         //dprintf("(%d)%s",read, line);
-        if(read <= 1 ) continue;
+        if (read <= 1 )
+	{
+	    continue;
+	}
 
-        if(line[strlen(line)-1] == '\n');
-        line[strlen(line)-1] = '\0';
+	if (line[strlen(line)-1] == '\n')
+	{
+	    line[strlen(line)-1] = '\0';
+	}
 
-        if(!strncmp(line, "echo", 4))
+        if (!strncmp(line, "echo", 4))
         {
             dprintf("%s\n", line+strlen("echo "));
             continue;