WHB: Fix missing FSDelClient (#158)

libraries/libwhb/include/whb/file.h

@@ -17,6 +17,9 @@ typedef enum WHBFileError
    WHB_FILE_FATAL_ERROR = -1,
 } WHBFileError;
 
+BOOL
+WHBDeInitFileSystem();
+
 int32_t
 WHBOpenFile(const char *path,
             const char *mode);

libraries/libwhb/src/file.c

@@ -26,6 +26,20 @@ InitFileSystem()
    return TRUE;
 }
 
+BOOL
+WHBDeInitFileSystem()
+{
+    if (sInitialised) {
+      if (FSDelClient(&sClient, -1) != FS_STATUS_OK) {
+         return FALSE;
+      }
+
+      sInitialised = FALSE;
+    }
+
+    return TRUE;
+}
+
 int32_t
 WHBOpenFile(const char *path,
             const char *mode)

libraries/libwhb/src/sdcard.c

@@ -75,6 +75,12 @@ WHBUnmountSdCard()
       return FALSE;
    }
    
+   result = FSDelClient(&sClient, -1);
+   if (result < 0) {
+      WHBLogPrintf("%s: FSDelClient error %d", __FUNCTION__, result);
+      return FALSE;
+   }
+
    sMounted = FALSE;
    return TRUE;
 }