Bug 615486 GetDeviceName is defined but not used ifndef USE_LINUX_QUOTACTL

r=bsmedberg

--HG--
extra : rebase_source : aad0b56b3e3adb11a591bcb3f94ebaf3067dca47

xpcom/io/nsLocalFileUnix.cpp

@@ -1176,6 +1176,7 @@ nsLocalFile::GetFileSizeOfLink(PRInt64 *aFileSize)
     return NS_OK;
 }
 
+#if defined(USE_LINUX_QUOTACTL)
 /*
  * Searches /proc/self/mountinfo for given device (Major:Minor), 
  * returns exported name from /dev
@@ -1225,6 +1226,7 @@ GetDeviceName(int deviceMajor, int deviceMinor, nsACString &deviceName)
     fclose(f);
     return ret; 
 }
+#endif
 
 NS_IMETHODIMP
 nsLocalFile::GetDiskSpaceAvailable(PRInt64 *aDiskSpaceAvailable)