increase default max queue size, 100k isn't much and we do reduce it when

there are no lagging clients

svn path=/icecast/trunk/icecast/; revision=9420

conf/icecast.xml.in

@@ -3,7 +3,7 @@
         <clients>100</clients>
         <sources>2</sources>
         <threadpool>5</threadpool>
-        <queue-size>102400</queue-size>
+        <queue-size>524288</queue-size>
         <client-timeout>30</client-timeout>
         <header-timeout>15</header-timeout>
         <source-timeout>10</source-timeout>

src/cfgfile.c

@@ -31,7 +31,7 @@
 #define CONFIG_DEFAULT_ADMIN "icemaster@localhost"
 #define CONFIG_DEFAULT_CLIENT_LIMIT 256
 #define CONFIG_DEFAULT_SOURCE_LIMIT 16
-#define CONFIG_DEFAULT_QUEUE_SIZE_LIMIT (100*1024)
+#define CONFIG_DEFAULT_QUEUE_SIZE_LIMIT (500*1024)
 #define CONFIG_DEFAULT_BURST_SIZE (64*1024)
 #define CONFIG_DEFAULT_THREADPOOL_SIZE 4
 #define CONFIG_DEFAULT_CLIENT_TIMEOUT 30