Patch release for 1.9.8 that improves the stability of the engine and fixes some incorrect behavior.

• Fixed a potential crash when loading font patches from a PK3 when the main menu first appears
• Fixed out of bounds memory access attempting to play Plutonia II MAP33
• Fixed potential crash when switching games (stray reverb update requests)
• Fixed a runtime error in Snowberry when add-on metadata contains Unicode text 3526183
• Heretic: Play the correct sound effect when a door is closing
• Dedicated mode: Don't try to show GUI error dialogs
• Don't log an unknown DED flag warning if flag name is whitespace
• Cleaned up code by fixing issues found by rpmlint (patch by jengelh)
• Mac OS X: Loading audio plugins on a case-sensitive native file system
• Ubuntu: Changed default Apt repository to the Dropbox mirror (code.iki.fi is still available, though)
• Ubuntu: Removed libcurl3 and libsdl-net from dependencies
• Unix/Mac OS X: Fixed crash when loading WAV files (e.g., DOOM HQ SFX pack)
• Unix: DENG_BASE_DIR and DENG_LIB_DIR quoted properly to prevent compiler error
• Unix: Fixed exports from OpenAL plugin
• Unix: Detect presence of OpenAL development files using pkg-config

• alepulver: qmake project file improvement for Unix; command line parsing fixes
• jengelh: patch for mistakes detected by rpmlint

• 1.9.8 release notes