Add a couple inline's

Try to fix https://github.com/harfbuzz/harfbuzz/issues/5704

src/hb-ot-layout-gsubgpos.hh

diff --git a/src/hb-ot-layout-gsubgpos.hh b/src/hb-ot-layout-gsubgpos.hh
index b782ac0..9137726 100644
--- a/src/hb-ot-layout-gsubgpos.hh
+++ b/src/hb-ot-layout-gsubgpos.hh
@@ -2000,12 +2000,12 @@
 }
 
 template <typename HBUINT>
-static bool context_apply_lookup (hb_ot_apply_context_t *c,
-				  unsigned int inputCount, /* Including the first glyph (not matched) */
-				  const HBUINT input[], /* Array of input values--start with second glyph */
-				  unsigned int lookupCount,
-				  const LookupRecord lookupRecord[],
-				  const ContextApplyLookupContext &lookup_context)
+static inline bool context_apply_lookup (hb_ot_apply_context_t *c,
+					 unsigned int inputCount, /* Including the first glyph (not matched) */
+					 const HBUINT input[], /* Array of input values--start with second glyph */
+					 unsigned int lookupCount,
+					 const LookupRecord lookupRecord[],
+					 const ContextApplyLookupContext &lookup_context)
 {
   if (unlikely (inputCount > HB_MAX_CONTEXT_LENGTH)) return false;
 
@@ -3141,16 +3141,16 @@
 }
 
 template <typename HBUINT>
-static bool chain_context_apply_lookup (hb_ot_apply_context_t *c,
-					unsigned int backtrackCount,
-					const HBUINT backtrack[],
-					unsigned int inputCount, /* Including the first glyph (not matched) */
-					const HBUINT input[], /* Array of input values--start with second glyph */
-					unsigned int lookaheadCount,
-					const HBUINT lookahead[],
-					unsigned int lookupCount,
-					const LookupRecord lookupRecord[],
-					const ChainContextApplyLookupContext &lookup_context)
+static inline bool chain_context_apply_lookup (hb_ot_apply_context_t *c,
+					       unsigned int backtrackCount,
+					       const HBUINT backtrack[],
+					       unsigned int inputCount, /* Including the first glyph (not matched) */
+					       const HBUINT input[], /* Array of input values--start with second glyph */
+					       unsigned int lookaheadCount,
+					       const HBUINT lookahead[],
+					       unsigned int lookupCount,
+					       const LookupRecord lookupRecord[],
+					       const ChainContextApplyLookupContext &lookup_context)
 {
   if (unlikely (inputCount > HB_MAX_CONTEXT_LENGTH)) return false;