[common] add comment support to the ini parser

VERSION

@@ -1 +1 @@
-B1-84-g7de030bb69+1
+B1-85-g1aadf91901+1

common/src/option.c

@@ -367,6 +367,7 @@ bool option_load(const char * filename)
   int    lineno      = 1;
   char * module      = NULL;
   bool   line        = true;
+  bool   comment     = false;
   bool   expectLine  = false;
   bool   expectValue = false;
   char * name        = NULL;
@@ -379,6 +380,9 @@ bool option_load(const char * filename)
 
   for(int c = fgetc(fp); !feof(fp); c = fgetc(fp))
   {
+    if (comment && c != '\n')
+      continue;
+
     switch(c)
     {
       case '[':
@@ -477,6 +481,14 @@ bool option_load(const char * filename)
         (*p)[(*len)++] = c;
         break;
 
+      case ';':
+        if (line)
+        {
+          comment = true;
+          break;
+        }
+        // fallthrough
+
       default:
         if (expectLine)
         {