mesa: Use the appropriate relocation.

I don't fully understand this, but this matches the assembly code gcc
generates glapi.c and fixes following error on x86-64 with assembly:

  relocation R_X86_64_PC32 against `_gl_DispatchTSD' can not be used when making a shared object

diff --git a/src/mesa/x86-64/glapi_x86-64.S b/src/mesa/x86-64/glapi_x86-64.S
index cb34061..f8337ff 100644 (file)
--- a/src/mesa/x86-64/glapi_x86-64.S
+++ b/src/mesa/x86-64/glapi_x86-64.S
@@ -73,7 +73,7 @@ _x86_64_get_dispatch:
 
        .p2align        4,,15
 _x86_64_get_dispatch:
-       movq    _gl_DispatchTSD(%rip), %rdi
+       movq    _gl_DispatchTSD@GOTPCREL(%rip), %rdi
        jmp     pthread_getspecific@PLT
 
 #elif defined(THREADS)