liblzma: Rename lzma_presets.c back to lzma_encoder_presets.c.

It would be too annoying to update other build systems
just because of this.
diff --git a/src/liblzma/lzma/Makefile.inc b/src/liblzma/lzma/Makefile.inc
index 0c8cd38..506b328 100644
--- a/src/liblzma/lzma/Makefile.inc
+++ b/src/liblzma/lzma/Makefile.inc
@@ -11,7 +11,7 @@
 
 if COND_FILTER_LZMA1
 liblzma_la_SOURCES += \
-	lzma/lzma_presets.c
+	lzma/lzma_encoder_presets.c
 endif
 
 if COND_ENCODER_LZMA1
diff --git a/src/liblzma/lzma/lzma_presets.c b/src/liblzma/lzma/lzma_encoder_presets.c
similarity index 97%
rename from src/liblzma/lzma/lzma_presets.c
rename to src/liblzma/lzma/lzma_encoder_presets.c
index d49d242..711df02 100644
--- a/src/liblzma/lzma/lzma_presets.c
+++ b/src/liblzma/lzma/lzma_encoder_presets.c
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////
 //
-/// \file       lzma_presets.c
+/// \file       lzma_encoder_presets.c
 /// \brief      Encoder presets
 /// \note       xz needs this even when only decoding is enabled.
 //