make argument to pa_memchunk_will_need() const

git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1751 fefdeb5f-60dc-0310-8127-8f9354f1896f

2 files changed, 3 insertions, 3 deletions

diff --git a/src/pulsecore/memchunk.c b/src/pulsecore/memchunk.c
index 319767f1..36df9f6b 100644
--- a/src/pulsecore/memchunk.c
+++ b/src/pulsecore/memchunk.c
@@ -76,7 +76,7 @@ pa_memchunk* pa_memchunk_reset(pa_memchunk *c) {
     return c;
 }
 
-pa_memchunk *pa_memchunk_will_need(pa_memchunk *c) {
+pa_memchunk *pa_memchunk_will_need(const pa_memchunk *c) {
     void *p;
 
     pa_assert(c);
@@ -89,5 +89,5 @@ pa_memchunk *pa_memchunk_will_need(pa_memchunk *c) {
     pa_will_need(p, c->length);
     pa_memblock_release(c->memblock);
 
-    return c;
+    return (pa_memchunk*) c;
 }
diff --git a/src/pulsecore/memchunk.h b/src/pulsecore/memchunk.h
index 17e5f75f..99498d07 100644
--- a/src/pulsecore/memchunk.h
+++ b/src/pulsecore/memchunk.h
@@ -45,6 +45,6 @@ pa_memchunk* pa_memchunk_make_writable(pa_memchunk *c, size_t min);
 pa_memchunk* pa_memchunk_reset(pa_memchunk *c);
 
 /* Map a memory chunk back into memory if it was swapped out */
-pa_memchunk *pa_memchunk_will_need(pa_memchunk *c);
+pa_memchunk *pa_memchunk_will_need(const pa_memchunk *c);
 
 #endif