util: Don't include system headers inside extern "C" { ... }

That breaks when some of the system headers have C++ code.

src/gallium/auxiliary/util/u_atomic.h

@@ -12,11 +12,6 @@
 #include "pipe/p_compiler.h"
 #include "pipe/p_defines.h"
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
 /* Favor OS-provided implementations.
  *
  * Where no OS-provided implementation is available, fall back to
@@ -44,10 +39,13 @@ extern "C" {
 
 #define PIPE_ATOMIC "GCC x86 assembly"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define p_atomic_set(_v, _i) (*(_v) = (_i))
 #define p_atomic_read(_v) (*(_v))
 
-
 static INLINE boolean
 p_atomic_dec_zero(int32_t *v)
 {
@@ -76,6 +74,11 @@ p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)
 {
    return __sync_val_compare_and_swap(v, old, _new);
 }
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif
 
 
@@ -86,10 +89,13 @@ p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)
 
 #define PIPE_ATOMIC "GCC Sync Intrinsics"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define p_atomic_set(_v, _i) (*(_v) = (_i))
 #define p_atomic_read(_v) (*(_v))
 
-
 static INLINE boolean
 p_atomic_dec_zero(int32_t *v)
 {
@@ -113,6 +119,11 @@ p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)
 {
    return __sync_val_compare_and_swap(v, old, _new);
 }
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif
 
 
@@ -140,6 +151,10 @@ p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)
 
 #define PIPE_ATOMIC "MSVC x86 assembly"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define p_atomic_set(_v, _i) (*(_v) = (_i))
 #define p_atomic_read(_v) (*(_v))
 
@@ -190,6 +205,11 @@ p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)
 
    return orig;
 }
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif
 
 
@@ -203,6 +223,10 @@ p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)
 #pragma intrinsic(_InterlockedDecrement)
 #pragma intrinsic(_InterlockedCompareExchange)
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define p_atomic_set(_v, _i) (*(_v) = (_i))
 #define p_atomic_read(_v) (*(_v))
 
@@ -230,6 +254,10 @@ p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)
    return _InterlockedCompareExchange(v, _new, old);
 }
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
 
 
@@ -240,8 +268,4 @@ p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)
 
 
 
-#ifdef __cplusplus
-}
-#endif
-
 #endif /* U_ATOMIC_H */

src/gallium/auxiliary/util/u_prim.h

@@ -30,13 +30,13 @@
 #define U_BLIT_H
 
 
+#include "pipe/p_defines.h"
+#include "util/u_debug.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#include "pipe/p_defines.h"
-#include "util/u_debug.h"
-
 static INLINE boolean u_validate_pipe_prim( unsigned pipe_prim, unsigned nr )
 {
    boolean ok = TRUE;