crt: Rename longjmp.S to mingw_longjmp.S

Signed-off-by: Martin Storsjö <martin@martin.st>
diff --git a/mingw-w64-crt/Makefile.am b/mingw-w64-crt/Makefile.am
index 224a6bc..c30e22c 100644
--- a/mingw-w64-crt/Makefile.am
+++ b/mingw-w64-crt/Makefile.am
@@ -430,7 +430,7 @@
   math/cephes_emath.h   math/cephes_mconf.h math/fp_consts.h     math/abs64.c \
   \
   misc/mb_wc_common.h \
-  misc/longjmp.S \
+  misc/mingw_longjmp.S \
   misc/mingw_getsp.S \
   misc/alarm.c \
   misc/basename.c        misc/btowc.c               misc/delay-f.c          misc/delay-n.c         \
diff --git a/mingw-w64-crt/misc/longjmp.S b/mingw-w64-crt/misc/mingw_longjmp.S
similarity index 100%
rename from mingw-w64-crt/misc/longjmp.S
rename to mingw-w64-crt/misc/mingw_longjmp.S