Vala 0.48.2

• Various improvements and bug fixes:
• vapigen: Define "GOBJECT" corresponding to set profile of CodeContext [#933]
• codegen:
  • Reset outdated array size variable after use as ref parameter [#929]
  • Emit postconditions before free'ing local variables
  • Correctly access captured parameter in precondition of method [#144]
  • Use correctly typed array-length variable for property-getter
  • Use correctly typed array-length variable for delegate invocation
  • Inherit "array_length_type" from (base-) parameter/property/method [#938]
  • Improve handling of "array_length_type" attribute [#938]
  • Use memset to init inline-allocated array with non-constant size [#910]
  • Initialize temp-var for property array length before calling getter
  • Include "glib.h" for g_return_*() usage [#940]
• vala:
  • Use error() instead of Report.error() inside of CodeContext.get()
  • Accept enum-values as length for inline allocated arrays [#935]
  • Improve copy of required attributes from delegate to lamdba method
  • Inherit lambda parameter attributes from delegate
  • Inline-allocated array aren't instantiated with creation expression [#926]
• valadoc: Create and register current Vala.CodeContext properly
• parser: Improve error message for invalid ArrayCreationExpression [#939]
• tests: Drop usage of "--main main" and avoid ambigious entry-points

• manual: Update from wiki.gnome.org

• Bindings:

• Add cairo-gobject binding
• cairo: Add missing type_id attributes guarded by GOBJECT define
• glib-2.0: Add binding for g_poll() [#924]
• glib-2.0: Add binding for g_win32_ftruncate()
• glib-2.0: Add missing IOChannel's win32 API
• gio-2.0: Add binding for g_io_error_from_win32_error()
• gstreamer: Update from 1.17.0+ git master
• gtk4: Update to 3.98.1
• posix: Add pathconf and fpathconf bindings
• vapi: Update GIR-based bindings