Give compilers a stronger hint to inline the functions

pzero[f], qzero[f], pone[f], and qone[f].  While here
fix the function declarations in accordance with style(9).

lib/msun/src/e_j0.c

@@ -268,7 +268,8 @@ static const double pS2[5] = {
   1.46576176948256193810e+01, /* 0x402D50B3, 0x44391809 */
 };
 
-	static double pzero(double x)
+static __inline double
+pzero(double x)
 {
 	const double *p,*q;
 	double z,r,s;
@@ -363,7 +364,8 @@ static const double qS2[6] = {
  -5.31095493882666946917e+00, /* 0xC0153E6A, 0xF8B32931 */
 };
 
-	static double qzero(double x)
+static __inline double
+qzero(double x)
 {
 	const double *p,*q;
 	double s,r,z;

lib/msun/src/e_j0f.c

@@ -224,7 +224,8 @@ static const float pS2[5] = {
   1.4657617569e+01, /* 0x416a859a */
 };
 
-	static float pzerof(float x)
+static __inline float
+pzerof(float x)
 {
 	const float *p,*q;
 	float z,r,s;
@@ -319,7 +320,8 @@ static const float qS2[6] = {
  -5.3109550476e+00, /* 0xc0a9f358 */
 };
 
-	static float qzerof(float x)
+static __inline float
+qzerof(float x)
 {
 	const float *p,*q;
 	float s,r,z;

lib/msun/src/e_j1.c

@@ -262,7 +262,8 @@ static const double ps2[5] = {
   8.36463893371618283368e+00, /* 0x4020BAB1, 0xF44E5192 */
 };
 
-	static double pone(double x)
+static __inline double
+pone(double x)
 {
 	const double *p,*q;
 	double z,r,s;
@@ -358,7 +359,8 @@ static const double qs2[6] = {
  -4.95949898822628210127e+00, /* 0xC013D686, 0xE71BE86B */
 };
 
-	static double qone(double x)
+static __inline double
+qone(double x)
 {
 	const double *p,*q;
 	double  s,r,z;

lib/msun/src/e_j1f.c

@@ -219,7 +219,8 @@ static const float ps2[5] = {
   8.3646392822e+00, /* 0x4105d590 */
 };
 
-	static float ponef(float x)
+static __inline float
+ponef(float x)
 {
 	const float *p,*q;
 	float z,r,s;
@@ -315,7 +316,8 @@ static const float qs2[6] = {
  -4.9594988823e+00, /* 0xc09eb437 */
 };
 
-	static float qonef(float x)
+static __inline float
+qonef(float x)
 {
 	const float *p,*q;
 	float  s,r,z;